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Finding the Fourth Proportional to 12,366.66, 18,549.18 and 5,794.32

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Solution

The fourth proportional to 12,366.66, 18,549.18 and 5,794.32 is: 8,691.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.66 : 18,549.18 = 5,794.32 : x
  2. Step 2: Convert to fraction form
    12,366.66/18,549.18 = 5,794.32/x
  3. Step 3: Cross multiply
    12,366.66x = 18,549.18 × 5,794.32
  4. Step 4: Simplify right side
    12,366.66x = 107,479,884.66
  5. Step 5: Solve for x
    x = 107,479,884.66/12,366.66
  6. Step 6: Final answer
    x = 8,691.10

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1.5x scale

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.