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Finding the Fourth Proportional to 63,687.58, 95,440.82 and 46,915.72

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Solution

The fourth proportional to 63,687.58, 95,440.82 and 46,915.72 is: 70,306.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,687.58 : 95,440.82 = 46,915.72 : x
  2. Step 2: Convert to fraction form
    63,687.58/95,440.82 = 46,915.72/x
  3. Step 3: Cross multiply
    63,687.58x = 95,440.82 × 46,915.72
  4. Step 4: Simplify right side
    63,687.58x = 4,477,674,787.69
  5. Step 5: Solve for x
    x = 4,477,674,787.69/63,687.58
  6. Step 6: Final answer
    x = 70,306.88

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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.