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Finding the Fourth Proportional to 70,033.70, 96,645.89 and 38,201.92

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Solution

The fourth proportional to 70,033.70, 96,645.89 and 38,201.92 is: 52,718.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,033.70 : 96,645.89 = 38,201.92 : x
  2. Step 2: Convert to fraction form
    70,033.70/96,645.89 = 38,201.92/x
  3. Step 3: Cross multiply
    70,033.70x = 96,645.89 × 38,201.92
  4. Step 4: Simplify right side
    70,033.70x = 3,692,058,412.00
  5. Step 5: Solve for x
    x = 3,692,058,412.00/70,033.70
  6. Step 6: Final answer
    x = 52,718.31

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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.