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Finding the Fourth Proportional to 3,549.55, 4,897.11 and 2,132.15

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Solution

The fourth proportional to 3,549.55, 4,897.11 and 2,132.15 is: 2,941.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.55 : 4,897.11 = 2,132.15 : x
  2. Step 2: Convert to fraction form
    3,549.55/4,897.11 = 2,132.15/x
  3. Step 3: Cross multiply
    3,549.55x = 4,897.11 × 2,132.15
  4. Step 4: Simplify right side
    3,549.55x = 10,441,402.86
  5. Step 5: Solve for x
    x = 10,441,402.86/3,549.55
  6. Step 6: Final answer
    x = 2,941.62

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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.