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Finding the Fourth Proportional to 14,056.80, 19,414.72 and 9,332.88

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Solution

The fourth proportional to 14,056.80, 19,414.72 and 9,332.88 is: 12,890.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,056.80 : 19,414.72 = 9,332.88 : x
  2. Step 2: Convert to fraction form
    14,056.80/19,414.72 = 9,332.88/x
  3. Step 3: Cross multiply
    14,056.80x = 19,414.72 × 9,332.88
  4. Step 4: Simplify right side
    14,056.80x = 181,195,251.99
  5. Step 5: Solve for x
    x = 181,195,251.99/14,056.80
  6. Step 6: Final answer
    x = 12,890.22

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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.