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Finding the Fourth Proportional to 61,957.80, 92,871.72 and 30,324.24

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Solution

The fourth proportional to 61,957.80, 92,871.72 and 30,324.24 is: 45,454.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,957.80 : 92,871.72 = 30,324.24 : x
  2. Step 2: Convert to fraction form
    61,957.80/92,871.72 = 30,324.24/x
  3. Step 3: Cross multiply
    61,957.80x = 92,871.72 × 30,324.24
  4. Step 4: Simplify right side
    61,957.80x = 2,816,264,326.49
  5. Step 5: Solve for x
    x = 2,816,264,326.49/61,957.80
  6. Step 6: Final answer
    x = 45,454.56

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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.