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Finding the Fourth Proportional to 39,097.28, 58,645.08 and 9,515.28

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Solution

The fourth proportional to 39,097.28, 58,645.08 and 9,515.28 is: 14,272.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,097.28 : 58,645.08 = 9,515.28 : x
  2. Step 2: Convert to fraction form
    39,097.28/58,645.08 = 9,515.28/x
  3. Step 3: Cross multiply
    39,097.28x = 58,645.08 × 9,515.28
  4. Step 4: Simplify right side
    39,097.28x = 558,024,356.82
  5. Step 5: Solve for x
    x = 558,024,356.82/39,097.28
  6. Step 6: Final answer
    x = 14,272.72

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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.