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Finding the Fourth Proportional to 18,773.19, 28,159.65 and 6,293.25

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Solution

The fourth proportional to 18,773.19, 28,159.65 and 6,293.25 is: 9,439.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,773.19 : 28,159.65 = 6,293.25 : x
  2. Step 2: Convert to fraction form
    18,773.19/28,159.65 = 6,293.25/x
  3. Step 3: Cross multiply
    18,773.19x = 28,159.65 × 6,293.25
  4. Step 4: Simplify right side
    18,773.19x = 177,215,717.36
  5. Step 5: Solve for x
    x = 177,215,717.36/18,773.19
  6. Step 6: Final answer
    x = 9,439.83

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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.