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Finding the Fourth Proportional to 84,399.63, 126,600.65 and 22,070.13

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Solution

The fourth proportional to 84,399.63, 126,600.65 and 22,070.13 is: 33,105.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,399.63 : 126,600.65 = 22,070.13 : x
  2. Step 2: Convert to fraction form
    84,399.63/126,600.65 = 22,070.13/x
  3. Step 3: Cross multiply
    84,399.63x = 126,600.65 × 22,070.13
  4. Step 4: Simplify right side
    84,399.63x = 2,794,092,803.58
  5. Step 5: Solve for x
    x = 2,794,092,803.58/84,399.63
  6. Step 6: Final answer
    x = 33,105.51

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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.