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Finding the Fourth Proportional to 10,404.60, 15,593.28 and 9,085.02

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Solution

The fourth proportional to 10,404.60, 15,593.28 and 9,085.02 is: 13,615.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,404.60 : 15,593.28 = 9,085.02 : x
  2. Step 2: Convert to fraction form
    10,404.60/15,593.28 = 9,085.02/x
  3. Step 3: Cross multiply
    10,404.60x = 15,593.28 × 9,085.02
  4. Step 4: Simplify right side
    10,404.60x = 141,665,260.67
  5. Step 5: Solve for x
    x = 141,665,260.67/10,404.60
  6. Step 6: Final answer
    x = 13,615.64

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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.