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Finding the Fourth Proportional to 9,400.70, 14,101.05 and 8,536.70

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Solution

The fourth proportional to 9,400.70, 14,101.05 and 8,536.70 is: 12,805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,400.70 : 14,101.05 = 8,536.70 : x
  2. Step 2: Convert to fraction form
    9,400.70/14,101.05 = 8,536.70/x
  3. Step 3: Cross multiply
    9,400.70x = 14,101.05 × 8,536.70
  4. Step 4: Simplify right side
    9,400.70x = 120,376,433.54
  5. Step 5: Solve for x
    x = 120,376,433.54/9,400.70
  6. Step 6: Final answer
    x = 12,805.05

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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.