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Finding the Fourth Proportional to 44,641.61, 66,966.35 and 16,561.97

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Solution

The fourth proportional to 44,641.61, 66,966.35 and 16,561.97 is: 24,844.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,641.61 : 66,966.35 = 16,561.97 : x
  2. Step 2: Convert to fraction form
    44,641.61/66,966.35 = 16,561.97/x
  3. Step 3: Cross multiply
    44,641.61x = 66,966.35 × 16,561.97
  4. Step 4: Simplify right side
    44,641.61x = 1,109,094,596.90
  5. Step 5: Solve for x
    x = 1,109,094,596.90/44,641.61
  6. Step 6: Final answer
    x = 24,844.41

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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.