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Finding the Fourth Proportional to 63,520.91, 87,655.86 and 35,225.99

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Solution

The fourth proportional to 63,520.91, 87,655.86 and 35,225.99 is: 48,610.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,520.91 : 87,655.86 = 35,225.99 : x
  2. Step 2: Convert to fraction form
    63,520.91/87,655.86 = 35,225.99/x
  3. Step 3: Cross multiply
    63,520.91x = 87,655.86 × 35,225.99
  4. Step 4: Simplify right side
    63,520.91x = 3,087,764,009.52
  5. Step 5: Solve for x
    x = 3,087,764,009.52/63,520.91
  6. Step 6: Final answer
    x = 48,610.20

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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.