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Finding the Fourth Proportional to 62,794.20, 86,657.64 and 34,500.64

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Solution

The fourth proportional to 62,794.20, 86,657.64 and 34,500.64 is: 47,611.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,794.20 : 86,657.64 = 34,500.64 : x
  2. Step 2: Convert to fraction form
    62,794.20/86,657.64 = 34,500.64/x
  3. Step 3: Cross multiply
    62,794.20x = 86,657.64 × 34,500.64
  4. Step 4: Simplify right side
    62,794.20x = 2,989,744,040.89
  5. Step 5: Solve for x
    x = 2,989,744,040.89/62,794.20
  6. Step 6: Final answer
    x = 47,611.79

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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.