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Finding the Fourth Proportional to 52,881.69, 72,977.13 and 29,008.11

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Solution

The fourth proportional to 52,881.69, 72,977.13 and 29,008.11 is: 40,031.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,881.69 : 72,977.13 = 29,008.11 : x
  2. Step 2: Convert to fraction form
    52,881.69/72,977.13 = 29,008.11/x
  3. Step 3: Cross multiply
    52,881.69x = 72,977.13 × 29,008.11
  4. Step 4: Simplify right side
    52,881.69x = 2,116,928,614.52
  5. Step 5: Solve for x
    x = 2,116,928,614.52/52,881.69
  6. Step 6: Final answer
    x = 40,031.41

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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.