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Finding the Fourth Proportional to 63,787.78, 95,681.58 and 21,672.24

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Solution

The fourth proportional to 63,787.78, 95,681.58 and 21,672.24 is: 32,508.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,787.78 : 95,681.58 = 21,672.24 : x
  2. Step 2: Convert to fraction form
    63,787.78/95,681.58 = 21,672.24/x
  3. Step 3: Cross multiply
    63,787.78x = 95,681.58 × 21,672.24
  4. Step 4: Simplify right side
    63,787.78x = 2,073,633,686.93
  5. Step 5: Solve for x
    x = 2,073,633,686.93/63,787.78
  6. Step 6: Final answer
    x = 32,508.32

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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.