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Finding the Fourth Proportional to 11,349.66, 15,661.17 and 6,312.62

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Solution

The fourth proportional to 11,349.66, 15,661.17 and 6,312.62 is: 8,710.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.66 : 15,661.17 = 6,312.62 : x
  2. Step 2: Convert to fraction form
    11,349.66/15,661.17 = 6,312.62/x
  3. Step 3: Cross multiply
    11,349.66x = 15,661.17 × 6,312.62
  4. Step 4: Simplify right side
    11,349.66x = 98,862,936.66
  5. Step 5: Solve for x
    x = 98,862,936.66/11,349.66
  6. Step 6: Final answer
    x = 8,710.65

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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.