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Finding the Fourth Proportional to 70,575.57, 97,393.86 and 38,310.84

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Solution

The fourth proportional to 70,575.57, 97,393.86 and 38,310.84 is: 52,868.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,575.57 : 97,393.86 = 38,310.84 : x
  2. Step 2: Convert to fraction form
    70,575.57/97,393.86 = 38,310.84/x
  3. Step 3: Cross multiply
    70,575.57x = 97,393.86 × 38,310.84
  4. Step 4: Simplify right side
    70,575.57x = 3,731,240,587.44
  5. Step 5: Solve for x
    x = 3,731,240,587.44/70,575.57
  6. Step 6: Final answer
    x = 52,868.73

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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.