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Finding the Fourth Proportional to 18,442.04, 27,672.78 and 8,041.64

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Solution

The fourth proportional to 18,442.04, 27,672.78 and 8,041.64 is: 12,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442.04 : 27,672.78 = 8,041.64 : x
  2. Step 2: Convert to fraction form
    18,442.04/27,672.78 = 8,041.64/x
  3. Step 3: Cross multiply
    18,442.04x = 27,672.78 × 8,041.64
  4. Step 4: Simplify right side
    18,442.04x = 222,534,534.56
  5. Step 5: Solve for x
    x = 222,534,534.56/18,442.04
  6. Step 6: Final answer
    x = 12,066.70

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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.