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Finding the Fourth Proportional to 16,166.60, 24,221.10 and 13,862.60

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Solution

The fourth proportional to 16,166.60, 24,221.10 and 13,862.60 is: 20,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,166.60 : 24,221.10 = 13,862.60 : x
  2. Step 2: Convert to fraction form
    16,166.60/24,221.10 = 13,862.60/x
  3. Step 3: Cross multiply
    16,166.60x = 24,221.10 × 13,862.60
  4. Step 4: Simplify right side
    16,166.60x = 335,767,420.86
  5. Step 5: Solve for x
    x = 335,767,420.86/16,166.60
  6. Step 6: Final answer
    x = 20,769.20

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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.