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Finding the Fourth Proportional to 10,781.01, 14,877.69 and 6,065.19

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Solution

The fourth proportional to 10,781.01, 14,877.69 and 6,065.19 is: 8,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781.01 : 14,877.69 = 6,065.19 : x
  2. Step 2: Convert to fraction form
    10,781.01/14,877.69 = 6,065.19/x
  3. Step 3: Cross multiply
    10,781.01x = 14,877.69 × 6,065.19
  4. Step 4: Simplify right side
    10,781.01x = 90,236,016.61
  5. Step 5: Solve for x
    x = 90,236,016.61/10,781.01
  6. Step 6: Final answer
    x = 8,369.90

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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.