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Finding the Fourth Proportional to 18,560.61, 27,845.46 and 7,468.86

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Solution

The fourth proportional to 18,560.61, 27,845.46 and 7,468.86 is: 11,205.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,560.61 : 27,845.46 = 7,468.86 : x
  2. Step 2: Convert to fraction form
    18,560.61/27,845.46 = 7,468.86/x
  3. Step 3: Cross multiply
    18,560.61x = 27,845.46 × 7,468.86
  4. Step 4: Simplify right side
    18,560.61x = 207,973,842.38
  5. Step 5: Solve for x
    x = 207,973,842.38/18,560.61
  6. Step 6: Final answer
    x = 11,205.12

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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.