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Finding the Fourth Proportional to 63,646.76, 87,835.02 and 43,545.80

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Solution

The fourth proportional to 63,646.76, 87,835.02 and 43,545.80 is: 60,094.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,646.76 : 87,835.02 = 43,545.80 : x
  2. Step 2: Convert to fraction form
    63,646.76/87,835.02 = 43,545.80/x
  3. Step 3: Cross multiply
    63,646.76x = 87,835.02 × 43,545.80
  4. Step 4: Simplify right side
    63,646.76x = 3,824,846,213.92
  5. Step 5: Solve for x
    x = 3,824,846,213.92/63,646.76
  6. Step 6: Final answer
    x = 60,094.91

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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.