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Finding the Fourth Proportional to 13,451.27, 18,562.16 and 7,482.98

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Solution

The fourth proportional to 13,451.27, 18,562.16 and 7,482.98 is: 10,326.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451.27 : 18,562.16 = 7,482.98 : x
  2. Step 2: Convert to fraction form
    13,451.27/18,562.16 = 7,482.98/x
  3. Step 3: Cross multiply
    13,451.27x = 18,562.16 × 7,482.98
  4. Step 4: Simplify right side
    13,451.27x = 138,900,337.15
  5. Step 5: Solve for x
    x = 138,900,337.15/13,451.27
  6. Step 6: Final answer
    x = 10,326.19

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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.