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Finding the Fourth Proportional to 16,677.18, 24,978.20 and 11,701.72

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Solution

The fourth proportional to 16,677.18, 24,978.20 and 11,701.72 is: 17,526.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,677.18 : 24,978.20 = 11,701.72 : x
  2. Step 2: Convert to fraction form
    16,677.18/24,978.20 = 11,701.72/x
  3. Step 3: Cross multiply
    16,677.18x = 24,978.20 × 11,701.72
  4. Step 4: Simplify right side
    16,677.18x = 292,287,781.55
  5. Step 5: Solve for x
    x = 292,287,781.55/16,677.18
  6. Step 6: Final answer
    x = 17,526.21

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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.