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Finding the Fourth Proportional to 63,189.72, 94,737.72 and 29,870.84

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Solution

The fourth proportional to 63,189.72, 94,737.72 and 29,870.84 is: 44,784.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,189.72 : 94,737.72 = 29,870.84 : x
  2. Step 2: Convert to fraction form
    63,189.72/94,737.72 = 29,870.84/x
  3. Step 3: Cross multiply
    63,189.72x = 94,737.72 × 29,870.84
  4. Step 4: Simplify right side
    63,189.72x = 2,829,895,512.93
  5. Step 5: Solve for x
    x = 2,829,895,512.93/63,189.72
  6. Step 6: Final answer
    x = 44,784.11

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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.