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Finding the Fourth Proportional to 52,876.13, 72,973.73 and 29,007.45

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Solution

The fourth proportional to 52,876.13, 72,973.73 and 29,007.45 is: 40,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,876.13 : 72,973.73 = 29,007.45 : x
  2. Step 2: Convert to fraction form
    52,876.13/72,973.73 = 29,007.45/x
  3. Step 3: Cross multiply
    52,876.13x = 72,973.73 × 29,007.45
  4. Step 4: Simplify right side
    52,876.13x = 2,116,781,824.29
  5. Step 5: Solve for x
    x = 2,116,781,824.29/52,876.13
  6. Step 6: Final answer
    x = 40,032.85

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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.