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Finding the Fourth Proportional to 5,243.64, 7,868.18 and 4,941.10

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Solution

The fourth proportional to 5,243.64, 7,868.18 and 4,941.10 is: 7,414.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.64 : 7,868.18 = 4,941.10 : x
  2. Step 2: Convert to fraction form
    5,243.64/7,868.18 = 4,941.10/x
  3. Step 3: Cross multiply
    5,243.64x = 7,868.18 × 4,941.10
  4. Step 4: Simplify right side
    5,243.64x = 38,877,464.20
  5. Step 5: Solve for x
    x = 38,877,464.20/5,243.64
  6. Step 6: Final answer
    x = 7,414.21

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Why These Related Problems?

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