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Finding the Fourth Proportional to 70,383.78, 97,092.81 and 43,517.70

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Solution

The fourth proportional to 70,383.78, 97,092.81 and 43,517.70 is: 60,031.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,383.78 : 97,092.81 = 43,517.70 : x
  2. Step 2: Convert to fraction form
    70,383.78/97,092.81 = 43,517.70/x
  3. Step 3: Cross multiply
    70,383.78x = 97,092.81 × 43,517.70
  4. Step 4: Simplify right side
    70,383.78x = 4,225,255,777.74
  5. Step 5: Solve for x
    x = 4,225,255,777.74/70,383.78
  6. Step 6: Final answer
    x = 60,031.67

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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.