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Finding the Fourth Proportional to 67,474.80, 101,285.10 and 37,950.30

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Solution

The fourth proportional to 67,474.80, 101,285.10 and 37,950.30 is: 56,966.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,474.80 : 101,285.10 = 37,950.30 : x
  2. Step 2: Convert to fraction form
    67,474.80/101,285.10 = 37,950.30/x
  3. Step 3: Cross multiply
    67,474.80x = 101,285.10 × 37,950.30
  4. Step 4: Simplify right side
    67,474.80x = 3,843,799,930.53
  5. Step 5: Solve for x
    x = 3,843,799,930.53/67,474.80
  6. Step 6: Final answer
    x = 56,966.45

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1.5x scale

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.