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Finding the Fourth Proportional to 71,224.28, 98,285.52 and 38,952.48

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Solution

The fourth proportional to 71,224.28, 98,285.52 and 38,952.48 is: 53,752.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,224.28 : 98,285.52 = 38,952.48 : x
  2. Step 2: Convert to fraction form
    71,224.28/98,285.52 = 38,952.48/x
  3. Step 3: Cross multiply
    71,224.28x = 98,285.52 × 38,952.48
  4. Step 4: Simplify right side
    71,224.28x = 3,828,464,752.09
  5. Step 5: Solve for x
    x = 3,828,464,752.09/71,224.28
  6. Step 6: Final answer
    x = 53,752.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.