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Finding the Fourth Proportional to 52,872.37, 72,964.87 and 29,000.25

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Solution

The fourth proportional to 52,872.37, 72,964.87 and 29,000.25 is: 40,020.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,872.37 : 72,964.87 = 29,000.25 : x
  2. Step 2: Convert to fraction form
    52,872.37/72,964.87 = 29,000.25/x
  3. Step 3: Cross multiply
    52,872.37x = 72,964.87 × 29,000.25
  4. Step 4: Simplify right side
    52,872.37x = 2,115,999,398.72
  5. Step 5: Solve for x
    x = 2,115,999,398.72/52,872.37
  6. Step 6: Final answer
    x = 40,020.89

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1.5x scale

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.