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Finding the Fourth Proportional to 9,713.70, 14,570.55 and 9,000.90

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Solution

The fourth proportional to 9,713.70, 14,570.55 and 9,000.90 is: 13,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,713.70 : 14,570.55 = 9,000.90 : x
  2. Step 2: Convert to fraction form
    9,713.70/14,570.55 = 9,000.90/x
  3. Step 3: Cross multiply
    9,713.70x = 14,570.55 × 9,000.90
  4. Step 4: Simplify right side
    9,713.70x = 131,148,063.50
  5. Step 5: Solve for x
    x = 131,148,063.50/9,713.70
  6. Step 6: Final answer
    x = 13,501.35

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.