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Finding the Fourth Proportional to 8,544.61, 11,790.14 and 5,707.43

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Solution

The fourth proportional to 8,544.61, 11,790.14 and 5,707.43 is: 7,875.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.61 : 11,790.14 = 5,707.43 : x
  2. Step 2: Convert to fraction form
    8,544.61/11,790.14 = 5,707.43/x
  3. Step 3: Cross multiply
    8,544.61x = 11,790.14 × 5,707.43
  4. Step 4: Simplify right side
    8,544.61x = 67,291,366.17
  5. Step 5: Solve for x
    x = 67,291,366.17/8,544.61
  6. Step 6: Final answer
    x = 7,875.30

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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.