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Finding the Fourth Proportional to 70,220.92, 96,893.67 and 40,006.84

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Solution

The fourth proportional to 70,220.92, 96,893.67 and 40,006.84 is: 55,203.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,220.92 : 96,893.67 = 40,006.84 : x
  2. Step 2: Convert to fraction form
    70,220.92/96,893.67 = 40,006.84/x
  3. Step 3: Cross multiply
    70,220.92x = 96,893.67 × 40,006.84
  4. Step 4: Simplify right side
    70,220.92x = 3,876,409,552.70
  5. Step 5: Solve for x
    x = 3,876,409,552.70/70,220.92
  6. Step 6: Final answer
    x = 55,203.06

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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.