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Finding the Fourth Proportional to 70,944.88, 97,910.76 and 42,649.96

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Solution

The fourth proportional to 70,944.88, 97,910.76 and 42,649.96 is: 58,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,944.88 : 97,910.76 = 42,649.96 : x
  2. Step 2: Convert to fraction form
    70,944.88/97,910.76 = 42,649.96/x
  3. Step 3: Cross multiply
    70,944.88x = 97,910.76 × 42,649.96
  4. Step 4: Simplify right side
    70,944.88x = 4,175,889,997.57
  5. Step 5: Solve for x
    x = 4,175,889,997.57/70,944.88
  6. Step 6: Final answer
    x = 58,861.05

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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.