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Finding the Fourth Proportional to 6,356.64, 8,766.98 and 4,474.47

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Solution

The fourth proportional to 6,356.64, 8,766.98 and 4,474.47 is: 6,171.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,356.64 : 8,766.98 = 4,474.47 : x
  2. Step 2: Convert to fraction form
    6,356.64/8,766.98 = 4,474.47/x
  3. Step 3: Cross multiply
    6,356.64x = 8,766.98 × 4,474.47
  4. Step 4: Simplify right side
    6,356.64x = 39,227,600.19
  5. Step 5: Solve for x
    x = 39,227,600.19/6,356.64
  6. Step 6: Final answer
    x = 6,171.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.