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Finding the Fourth Proportional to 8,061.08, 11,127.90 and 4,918.52

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Solution

The fourth proportional to 8,061.08, 11,127.90 and 4,918.52 is: 6,789.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,061.08 : 11,127.90 = 4,918.52 : x
  2. Step 2: Convert to fraction form
    8,061.08/11,127.90 = 4,918.52/x
  3. Step 3: Cross multiply
    8,061.08x = 11,127.90 × 4,918.52
  4. Step 4: Simplify right side
    8,061.08x = 54,732,798.71
  5. Step 5: Solve for x
    x = 54,732,798.71/8,061.08
  6. Step 6: Final answer
    x = 6,789.76

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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.