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Finding the Fourth Proportional to 45,916.79, 68,874.98 and 16,335.72

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Solution

The fourth proportional to 45,916.79, 68,874.98 and 16,335.72 is: 24,503.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,916.79 : 68,874.98 = 16,335.72 : x
  2. Step 2: Convert to fraction form
    45,916.79/68,874.98 = 16,335.72/x
  3. Step 3: Cross multiply
    45,916.79x = 68,874.98 × 16,335.72
  4. Step 4: Simplify right side
    45,916.79x = 1,125,122,306.61
  5. Step 5: Solve for x
    x = 1,125,122,306.61/45,916.79
  6. Step 6: Final answer
    x = 24,503.51

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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.