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Finding the Fourth Proportional to 16,332.96, 22,539.46 and 9,959.55

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Solution

The fourth proportional to 16,332.96, 22,539.46 and 9,959.55 is: 13,744.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,332.96 : 22,539.46 = 9,959.55 : x
  2. Step 2: Convert to fraction form
    16,332.96/22,539.46 = 9,959.55/x
  3. Step 3: Cross multiply
    16,332.96x = 22,539.46 × 9,959.55
  4. Step 4: Simplify right side
    16,332.96x = 224,482,878.84
  5. Step 5: Solve for x
    x = 224,482,878.84/16,332.96
  6. Step 6: Final answer
    x = 13,744.16

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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.