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Finding the Fourth Proportional to 44,982, 67,436.40 and 16,886.40

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Solution

The fourth proportional to 44,982, 67,436.40 and 16,886.40 is: 25,315.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,982 : 67,436.40 = 16,886.40 : x
  2. Step 2: Convert to fraction form
    44,982/67,436.40 = 16,886.40/x
  3. Step 3: Cross multiply
    44,982x = 67,436.40 × 16,886.40
  4. Step 4: Simplify right side
    44,982x = 1,138,758,024.96
  5. Step 5: Solve for x
    x = 1,138,758,024.96/44,982
  6. Step 6: Final answer
    x = 25,315.86

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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.