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Finding the Fourth Proportional to 70,105.33, 96,747.65 and 38,276.65

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Solution

The fourth proportional to 70,105.33, 96,747.65 and 38,276.65 is: 52,823.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,105.33 : 96,747.65 = 38,276.65 : x
  2. Step 2: Convert to fraction form
    70,105.33/96,747.65 = 38,276.65/x
  3. Step 3: Cross multiply
    70,105.33x = 96,747.65 × 38,276.65
  4. Step 4: Simplify right side
    70,105.33x = 3,703,175,937.37
  5. Step 5: Solve for x
    x = 3,703,175,937.37/70,105.33
  6. Step 6: Final answer
    x = 52,823.03

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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.