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Finding the Fourth Proportional to 63,469.59, 87,587.50 and 34,790.85

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Solution

The fourth proportional to 63,469.59, 87,587.50 and 34,790.85 is: 48,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,469.59 : 87,587.50 = 34,790.85 : x
  2. Step 2: Convert to fraction form
    63,469.59/87,587.50 = 34,790.85/x
  3. Step 3: Cross multiply
    63,469.59x = 87,587.50 × 34,790.85
  4. Step 4: Simplify right side
    63,469.59x = 3,047,243,574.38
  5. Step 5: Solve for x
    x = 3,047,243,574.38/63,469.59
  6. Step 6: Final answer
    x = 48,011.08

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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.