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Finding the Fourth Proportional to 52,337.87, 78,487.81 and 28,663.01

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Solution

The fourth proportional to 52,337.87, 78,487.81 and 28,663.01 is: 42,984.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,337.87 : 78,487.81 = 28,663.01 : x
  2. Step 2: Convert to fraction form
    52,337.87/78,487.81 = 28,663.01/x
  3. Step 3: Cross multiply
    52,337.87x = 78,487.81 × 28,663.01
  4. Step 4: Simplify right side
    52,337.87x = 2,249,696,882.91
  5. Step 5: Solve for x
    x = 2,249,696,882.91/52,337.87
  6. Step 6: Final answer
    x = 42,984.11

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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.