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Finding the Fourth Proportional to 70,175.21, 96,841.82 and 37,909.84

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Solution

The fourth proportional to 70,175.21, 96,841.82 and 37,909.84 is: 52,315.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,175.21 : 96,841.82 = 37,909.84 : x
  2. Step 2: Convert to fraction form
    70,175.21/96,841.82 = 37,909.84/x
  3. Step 3: Cross multiply
    70,175.21x = 96,841.82 × 37,909.84
  4. Step 4: Simplify right side
    70,175.21x = 3,671,257,711.96
  5. Step 5: Solve for x
    x = 3,671,257,711.96/70,175.21
  6. Step 6: Final answer
    x = 52,315.59

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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.