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Finding the Fourth Proportional to 16,607.40, 24,911.10 and 15,916.20

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Solution

The fourth proportional to 16,607.40, 24,911.10 and 15,916.20 is: 23,874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,607.40 : 24,911.10 = 15,916.20 : x
  2. Step 2: Convert to fraction form
    16,607.40/24,911.10 = 15,916.20/x
  3. Step 3: Cross multiply
    16,607.40x = 24,911.10 × 15,916.20
  4. Step 4: Simplify right side
    16,607.40x = 396,490,049.82
  5. Step 5: Solve for x
    x = 396,490,049.82/16,607.40
  6. Step 6: Final answer
    x = 23,874.30

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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.