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Finding the Fourth Proportional to 52,079.64, 78,044.64 and 29,608.20

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Solution

The fourth proportional to 52,079.64, 78,044.64 and 29,608.20 is: 44,369.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,079.64 : 78,044.64 = 29,608.20 : x
  2. Step 2: Convert to fraction form
    52,079.64/78,044.64 = 29,608.20/x
  3. Step 3: Cross multiply
    52,079.64x = 78,044.64 × 29,608.20
  4. Step 4: Simplify right side
    52,079.64x = 2,310,761,310.05
  5. Step 5: Solve for x
    x = 2,310,761,310.05/52,079.64
  6. Step 6: Final answer
    x = 44,369.76

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1.5x scale

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.