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Finding the Fourth Proportional to 11,418.17, 15,762.20 and 6,702.75

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Solution

The fourth proportional to 11,418.17, 15,762.20 and 6,702.75 is: 9,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.17 : 15,762.20 = 6,702.75 : x
  2. Step 2: Convert to fraction form
    11,418.17/15,762.20 = 6,702.75/x
  3. Step 3: Cross multiply
    11,418.17x = 15,762.20 × 6,702.75
  4. Step 4: Simplify right side
    11,418.17x = 105,650,052.54
  5. Step 5: Solve for x
    x = 105,650,052.54/11,418.17
  6. Step 6: Final answer
    x = 9,252.80

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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.