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Finding the Fourth Proportional to 45,060.71, 67,600.59 and 16,980.16

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Solution

The fourth proportional to 45,060.71, 67,600.59 and 16,980.16 is: 25,473.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,060.71 : 67,600.59 = 16,980.16 : x
  2. Step 2: Convert to fraction form
    45,060.71/67,600.59 = 16,980.16/x
  3. Step 3: Cross multiply
    45,060.71x = 67,600.59 × 16,980.16
  4. Step 4: Simplify right side
    45,060.71x = 1,147,868,562.12
  5. Step 5: Solve for x
    x = 1,147,868,562.12/45,060.71
  6. Step 6: Final answer
    x = 25,473.83

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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.