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Finding the Fourth Proportional to 18,223.68, 27,327.86 and 6,374.92

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Solution

The fourth proportional to 18,223.68, 27,327.86 and 6,374.92 is: 9,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.68 : 27,327.86 = 6,374.92 : x
  2. Step 2: Convert to fraction form
    18,223.68/27,327.86 = 6,374.92/x
  3. Step 3: Cross multiply
    18,223.68x = 27,327.86 × 6,374.92
  4. Step 4: Simplify right side
    18,223.68x = 174,212,921.27
  5. Step 5: Solve for x
    x = 174,212,921.27/18,223.68
  6. Step 6: Final answer
    x = 9,559.70

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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.