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Finding the Fourth Proportional to 71,029.70, 98,017.65 and 40,793.70

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Solution

The fourth proportional to 71,029.70, 98,017.65 and 40,793.70 is: 56,293.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,029.70 : 98,017.65 = 40,793.70 : x
  2. Step 2: Convert to fraction form
    71,029.70/98,017.65 = 40,793.70/x
  3. Step 3: Cross multiply
    71,029.70x = 98,017.65 × 40,793.70
  4. Step 4: Simplify right side
    71,029.70x = 3,998,502,608.81
  5. Step 5: Solve for x
    x = 3,998,502,608.81/71,029.70
  6. Step 6: Final answer
    x = 56,293.39

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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.