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Finding the Fourth Proportional to 48,793.59, 67,328.03 and 28,656.96

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Solution

The fourth proportional to 48,793.59, 67,328.03 and 28,656.96 is: 39,542.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,793.59 : 67,328.03 = 28,656.96 : x
  2. Step 2: Convert to fraction form
    48,793.59/67,328.03 = 28,656.96/x
  3. Step 3: Cross multiply
    48,793.59x = 67,328.03 × 28,656.96
  4. Step 4: Simplify right side
    48,793.59x = 1,929,416,872.06
  5. Step 5: Solve for x
    x = 1,929,416,872.06/48,793.59
  6. Step 6: Final answer
    x = 39,542.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.