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Finding the Fourth Proportional to 52,408.45, 72,320.01 and 29,747.91

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Solution

The fourth proportional to 52,408.45, 72,320.01 and 29,747.91 is: 41,050.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,408.45 : 72,320.01 = 29,747.91 : x
  2. Step 2: Convert to fraction form
    52,408.45/72,320.01 = 29,747.91/x
  3. Step 3: Cross multiply
    52,408.45x = 72,320.01 × 29,747.91
  4. Step 4: Simplify right side
    52,408.45x = 2,151,368,901.52
  5. Step 5: Solve for x
    x = 2,151,368,901.52/52,408.45
  6. Step 6: Final answer
    x = 41,050.04

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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.