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Finding the Fourth Proportional to 16,633.60, 24,916.80 and 10,374.40

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Solution

The fourth proportional to 16,633.60, 24,916.80 and 10,374.40 is: 15,540.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,633.60 : 24,916.80 = 10,374.40 : x
  2. Step 2: Convert to fraction form
    16,633.60/24,916.80 = 10,374.40/x
  3. Step 3: Cross multiply
    16,633.60x = 24,916.80 × 10,374.40
  4. Step 4: Simplify right side
    16,633.60x = 258,496,849.92
  5. Step 5: Solve for x
    x = 258,496,849.92/16,633.60
  6. Step 6: Final answer
    x = 15,540.64

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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.