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Finding the Fourth Proportional to 51,874, 71,599.08 and 29,530.96

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Solution

The fourth proportional to 51,874, 71,599.08 and 29,530.96 is: 40,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,874 : 71,599.08 = 29,530.96 : x
  2. Step 2: Convert to fraction form
    51,874/71,599.08 = 29,530.96/x
  3. Step 3: Cross multiply
    51,874x = 71,599.08 × 29,530.96
  4. Step 4: Simplify right side
    51,874x = 2,114,389,567.52
  5. Step 5: Solve for x
    x = 2,114,389,567.52/51,874
  6. Step 6: Final answer
    x = 40,760.10

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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.