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Finding the Fourth Proportional to 18,404.85, 27,612.82 and 6,557.08

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Solution

The fourth proportional to 18,404.85, 27,612.82 and 6,557.08 is: 9,837.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,404.85 : 27,612.82 = 6,557.08 : x
  2. Step 2: Convert to fraction form
    18,404.85/27,612.82 = 6,557.08/x
  3. Step 3: Cross multiply
    18,404.85x = 27,612.82 × 6,557.08
  4. Step 4: Simplify right side
    18,404.85x = 181,059,298.92
  5. Step 5: Solve for x
    x = 181,059,298.92/18,404.85
  6. Step 6: Final answer
    x = 9,837.59

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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.