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Finding the Fourth Proportional to 52,770.84, 79,158.72 and 29,379.66

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Solution

The fourth proportional to 52,770.84, 79,158.72 and 29,379.66 is: 44,070.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,770.84 : 79,158.72 = 29,379.66 : x
  2. Step 2: Convert to fraction form
    52,770.84/79,158.72 = 29,379.66/x
  3. Step 3: Cross multiply
    52,770.84x = 79,158.72 × 29,379.66
  4. Step 4: Simplify right side
    52,770.84x = 2,325,656,279.64
  5. Step 5: Solve for x
    x = 2,325,656,279.64/52,770.84
  6. Step 6: Final answer
    x = 44,070.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.