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Finding the Fourth Proportional to 70,073.50, 96,703.48 and 38,244.44

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Solution

The fourth proportional to 70,073.50, 96,703.48 and 38,244.44 is: 52,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,073.50 : 96,703.48 = 38,244.44 : x
  2. Step 2: Convert to fraction form
    70,073.50/96,703.48 = 38,244.44/x
  3. Step 3: Cross multiply
    70,073.50x = 96,703.48 × 38,244.44
  4. Step 4: Simplify right side
    70,073.50x = 3,698,370,438.65
  5. Step 5: Solve for x
    x = 3,698,370,438.65/70,073.50
  6. Step 6: Final answer
    x = 52,778.45

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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.