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Finding the Fourth Proportional to 12,105.43, 16,701.33 and 7,565.02

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Solution

The fourth proportional to 12,105.43, 16,701.33 and 7,565.02 is: 10,437.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,105.43 : 16,701.33 = 7,565.02 : x
  2. Step 2: Convert to fraction form
    12,105.43/16,701.33 = 7,565.02/x
  3. Step 3: Cross multiply
    12,105.43x = 16,701.33 × 7,565.02
  4. Step 4: Simplify right side
    12,105.43x = 126,345,895.48
  5. Step 5: Solve for x
    x = 126,345,895.48/12,105.43
  6. Step 6: Final answer
    x = 10,437.13

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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.