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Finding the Fourth Proportional to 7,348.46, 11,008.78 and 5,696.90

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Solution

The fourth proportional to 7,348.46, 11,008.78 and 5,696.90 is: 8,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.46 : 11,008.78 = 5,696.90 : x
  2. Step 2: Convert to fraction form
    7,348.46/11,008.78 = 5,696.90/x
  3. Step 3: Cross multiply
    7,348.46x = 11,008.78 × 5,696.90
  4. Step 4: Simplify right side
    7,348.46x = 62,715,918.78
  5. Step 5: Solve for x
    x = 62,715,918.78/7,348.46
  6. Step 6: Final answer
    x = 8,534.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.