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Finding the Fourth Proportional to 63,558.95, 87,711.09 and 34,879.08

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Solution

The fourth proportional to 63,558.95, 87,711.09 and 34,879.08 is: 48,132.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,558.95 : 87,711.09 = 34,879.08 : x
  2. Step 2: Convert to fraction form
    63,558.95/87,711.09 = 34,879.08/x
  3. Step 3: Cross multiply
    63,558.95x = 87,711.09 × 34,879.08
  4. Step 4: Simplify right side
    63,558.95x = 3,059,282,125.00
  5. Step 5: Solve for x
    x = 3,059,282,125.00/63,558.95
  6. Step 6: Final answer
    x = 48,132.99

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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.