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Finding the Fourth Proportional to 52,872.52, 72,966.12 and 29,000.20

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Solution

The fourth proportional to 52,872.52, 72,966.12 and 29,000.20 is: 40,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,872.52 : 72,966.12 = 29,000.20 : x
  2. Step 2: Convert to fraction form
    52,872.52/72,966.12 = 29,000.20/x
  3. Step 3: Cross multiply
    52,872.52x = 72,966.12 × 29,000.20
  4. Step 4: Simplify right side
    52,872.52x = 2,116,032,073.22
  5. Step 5: Solve for x
    x = 2,116,032,073.22/52,872.52
  6. Step 6: Final answer
    x = 40,021.40

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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.