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Finding the Fourth Proportional to 70,601.75, 97,439.06 and 40,793.75

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Solution

The fourth proportional to 70,601.75, 97,439.06 and 40,793.75 is: 56,300.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,601.75 : 97,439.06 = 40,793.75 : x
  2. Step 2: Convert to fraction form
    70,601.75/97,439.06 = 40,793.75/x
  3. Step 3: Cross multiply
    70,601.75x = 97,439.06 × 40,793.75
  4. Step 4: Simplify right side
    70,601.75x = 3,974,904,653.88
  5. Step 5: Solve for x
    x = 3,974,904,653.88/70,601.75
  6. Step 6: Final answer
    x = 56,300.37

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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.