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Finding the Fourth Proportional to 52,672.98, 72,670.90 and 29,995.90

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Solution

The fourth proportional to 52,672.98, 72,670.90 and 29,995.90 is: 41,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,672.98 : 72,670.90 = 29,995.90 : x
  2. Step 2: Convert to fraction form
    52,672.98/72,670.90 = 29,995.90/x
  3. Step 3: Cross multiply
    52,672.98x = 72,670.90 × 29,995.90
  4. Step 4: Simplify right side
    52,672.98x = 2,179,829,049.31
  5. Step 5: Solve for x
    x = 2,179,829,049.31/52,672.98
  6. Step 6: Final answer
    x = 41,384.20

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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.