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Finding the Fourth Proportional to 45,391.87, 62,639.87 and 25,248.31

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Solution

The fourth proportional to 45,391.87, 62,639.87 and 25,248.31 is: 34,842.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,391.87 : 62,639.87 = 25,248.31 : x
  2. Step 2: Convert to fraction form
    45,391.87/62,639.87 = 25,248.31/x
  3. Step 3: Cross multiply
    45,391.87x = 62,639.87 × 25,248.31
  4. Step 4: Simplify right side
    45,391.87x = 1,581,550,856.12
  5. Step 5: Solve for x
    x = 1,581,550,856.12/45,391.87
  6. Step 6: Final answer
    x = 34,842.16

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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.