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Finding the Fourth Proportional to 70,452.50, 97,224.54 and 38,622.56

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Solution

The fourth proportional to 70,452.50, 97,224.54 and 38,622.56 is: 53,299.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,452.50 : 97,224.54 = 38,622.56 : x
  2. Step 2: Convert to fraction form
    70,452.50/97,224.54 = 38,622.56/x
  3. Step 3: Cross multiply
    70,452.50x = 97,224.54 × 38,622.56
  4. Step 4: Simplify right side
    70,452.50x = 3,755,060,629.62
  5. Step 5: Solve for x
    x = 3,755,060,629.62/70,452.50
  6. Step 6: Final answer
    x = 53,299.18

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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.