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Finding the Fourth Proportional to 52,644.19, 72,652.49 and 29,679.68

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Solution

The fourth proportional to 52,644.19, 72,652.49 and 29,679.68 is: 40,959.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,644.19 : 72,652.49 = 29,679.68 : x
  2. Step 2: Convert to fraction form
    52,644.19/72,652.49 = 29,679.68/x
  3. Step 3: Cross multiply
    52,644.19x = 72,652.49 × 29,679.68
  4. Step 4: Simplify right side
    52,644.19x = 2,156,302,142.74
  5. Step 5: Solve for x
    x = 2,156,302,142.74/52,644.19
  6. Step 6: Final answer
    x = 40,959.93

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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.