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Finding the Fourth Proportional to 18,565.37, 27,848.04 and 5,417.73

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Solution

The fourth proportional to 18,565.37, 27,848.04 and 5,417.73 is: 8,126.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.37 : 27,848.04 = 5,417.73 : x
  2. Step 2: Convert to fraction form
    18,565.37/27,848.04 = 5,417.73/x
  3. Step 3: Cross multiply
    18,565.37x = 27,848.04 × 5,417.73
  4. Step 4: Simplify right side
    18,565.37x = 150,873,161.75
  5. Step 5: Solve for x
    x = 150,873,161.75/18,565.37
  6. Step 6: Final answer
    x = 8,126.59

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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.