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Finding the Fourth Proportional to 70,647.96, 97,493.88 and 40,433.12

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Solution

The fourth proportional to 70,647.96, 97,493.88 and 40,433.12 is: 55,797.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,647.96 : 97,493.88 = 40,433.12 : x
  2. Step 2: Convert to fraction form
    70,647.96/97,493.88 = 40,433.12/x
  3. Step 3: Cross multiply
    70,647.96x = 97,493.88 × 40,433.12
  4. Step 4: Simplify right side
    70,647.96x = 3,941,981,749.31
  5. Step 5: Solve for x
    x = 3,941,981,749.31/70,647.96
  6. Step 6: Final answer
    x = 55,797.53

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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.