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Finding the Fourth Proportional to 70,062.72, 96,699.12 and 41,770.24

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Solution

The fourth proportional to 70,062.72, 96,699.12 and 41,770.24 is: 57,650.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,062.72 : 96,699.12 = 41,770.24 : x
  2. Step 2: Convert to fraction form
    70,062.72/96,699.12 = 41,770.24/x
  3. Step 3: Cross multiply
    70,062.72x = 96,699.12 × 41,770.24
  4. Step 4: Simplify right side
    70,062.72x = 4,039,145,450.19
  5. Step 5: Solve for x
    x = 4,039,145,450.19/70,062.72
  6. Step 6: Final answer
    x = 57,650.42

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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.