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Finding the Fourth Proportional to 16,432.80, 22,677.21 and 9,360.42

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Solution

The fourth proportional to 16,432.80, 22,677.21 and 9,360.42 is: 12,917.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,432.80 : 22,677.21 = 9,360.42 : x
  2. Step 2: Convert to fraction form
    16,432.80/22,677.21 = 9,360.42/x
  3. Step 3: Cross multiply
    16,432.80x = 22,677.21 × 9,360.42
  4. Step 4: Simplify right side
    16,432.80x = 212,268,210.03
  5. Step 5: Solve for x
    x = 212,268,210.03/16,432.80
  6. Step 6: Final answer
    x = 12,917.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.