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Finding the Fourth Proportional to 28,044.70, 42,073.08 and 8,324.62

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Solution

The fourth proportional to 28,044.70, 42,073.08 and 8,324.62 is: 12,488.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.70 : 42,073.08 = 8,324.62 : x
  2. Step 2: Convert to fraction form
    28,044.70/42,073.08 = 8,324.62/x
  3. Step 3: Cross multiply
    28,044.70x = 42,073.08 × 8,324.62
  4. Step 4: Simplify right side
    28,044.70x = 350,242,403.23
  5. Step 5: Solve for x
    x = 350,242,403.23/28,044.70
  6. Step 6: Final answer
    x = 12,488.72

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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.