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Finding the Fourth Proportional to 63,439.92, 95,159.88 and 26,478

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Solution

The fourth proportional to 63,439.92, 95,159.88 and 26,478 is: 39,717.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,439.92 : 95,159.88 = 26,478 : x
  2. Step 2: Convert to fraction form
    63,439.92/95,159.88 = 26,478/x
  3. Step 3: Cross multiply
    63,439.92x = 95,159.88 × 26,478
  4. Step 4: Simplify right side
    63,439.92x = 2,519,643,302.64
  5. Step 5: Solve for x
    x = 2,519,643,302.64/63,439.92
  6. Step 6: Final answer
    x = 39,717.00

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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.