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Finding the Fourth Proportional to 5,356.60, 8,034.90 and 4,773.40

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Solution

The fourth proportional to 5,356.60, 8,034.90 and 4,773.40 is: 7,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.60 : 8,034.90 = 4,773.40 : x
  2. Step 2: Convert to fraction form
    5,356.60/8,034.90 = 4,773.40/x
  3. Step 3: Cross multiply
    5,356.60x = 8,034.90 × 4,773.40
  4. Step 4: Simplify right side
    5,356.60x = 38,353,791.66
  5. Step 5: Solve for x
    x = 38,353,791.66/5,356.60
  6. Step 6: Final answer
    x = 7,160.10

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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.