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Finding the Fourth Proportional to 52,882.92, 72,977.76 and 29,009.88

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Solution

The fourth proportional to 52,882.92, 72,977.76 and 29,009.88 is: 40,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,882.92 : 72,977.76 = 29,009.88 : x
  2. Step 2: Convert to fraction form
    52,882.92/72,977.76 = 29,009.88/x
  3. Step 3: Cross multiply
    52,882.92x = 72,977.76 × 29,009.88
  4. Step 4: Simplify right side
    52,882.92x = 2,117,076,060.27
  5. Step 5: Solve for x
    x = 2,117,076,060.27/52,882.92
  6. Step 6: Final answer
    x = 40,033.27

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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.