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Finding the Fourth Proportional to 70,133.76, 96,780.84 and 38,296.44

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Solution

The fourth proportional to 70,133.76, 96,780.84 and 38,296.44 is: 52,847.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,133.76 : 96,780.84 = 38,296.44 : x
  2. Step 2: Convert to fraction form
    70,133.76/96,780.84 = 38,296.44/x
  3. Step 3: Cross multiply
    70,133.76x = 96,780.84 × 38,296.44
  4. Step 4: Simplify right side
    70,133.76x = 3,706,361,632.21
  5. Step 5: Solve for x
    x = 3,706,361,632.21/70,133.76
  6. Step 6: Final answer
    x = 52,847.04

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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.