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Finding the Fourth Proportional to 70,563.92, 97,377.84 and 38,733.36

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Solution

The fourth proportional to 70,563.92, 97,377.84 and 38,733.36 is: 53,451.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,563.92 : 97,377.84 = 38,733.36 : x
  2. Step 2: Convert to fraction form
    70,563.92/97,377.84 = 38,733.36/x
  3. Step 3: Cross multiply
    70,563.92x = 97,377.84 × 38,733.36
  4. Step 4: Simplify right side
    70,563.92x = 3,771,770,932.74
  5. Step 5: Solve for x
    x = 3,771,770,932.74/70,563.92
  6. Step 6: Final answer
    x = 53,451.83

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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.