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Finding the Fourth Proportional to 70,174.77, 96,841.86 and 38,343.66

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Solution

The fourth proportional to 70,174.77, 96,841.86 and 38,343.66 is: 52,914.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,174.77 : 96,841.86 = 38,343.66 : x
  2. Step 2: Convert to fraction form
    70,174.77/96,841.86 = 38,343.66/x
  3. Step 3: Cross multiply
    70,174.77x = 96,841.86 × 38,343.66
  4. Step 4: Simplify right side
    70,174.77x = 3,713,271,353.61
  5. Step 5: Solve for x
    x = 3,713,271,353.61/70,174.77
  6. Step 6: Final answer
    x = 52,914.62

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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.