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Finding the Fourth Proportional to 12,793.44, 19,187.28 and 4,585.44

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Solution

The fourth proportional to 12,793.44, 19,187.28 and 4,585.44 is: 6,877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793.44 : 19,187.28 = 4,585.44 : x
  2. Step 2: Convert to fraction form
    12,793.44/19,187.28 = 4,585.44/x
  3. Step 3: Cross multiply
    12,793.44x = 19,187.28 × 4,585.44
  4. Step 4: Simplify right side
    12,793.44x = 87,982,121.20
  5. Step 5: Solve for x
    x = 87,982,121.20/12,793.44
  6. Step 6: Final answer
    x = 6,877.13

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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.