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Finding the Fourth Proportional to 9,571.40, 14,357.10 and 8,514.35

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Solution

The fourth proportional to 9,571.40, 14,357.10 and 8,514.35 is: 12,771.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,571.40 : 14,357.10 = 8,514.35 : x
  2. Step 2: Convert to fraction form
    9,571.40/14,357.10 = 8,514.35/x
  3. Step 3: Cross multiply
    9,571.40x = 14,357.10 × 8,514.35
  4. Step 4: Simplify right side
    9,571.40x = 122,241,374.39
  5. Step 5: Solve for x
    x = 122,241,374.39/9,571.40
  6. Step 6: Final answer
    x = 12,771.53

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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.