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Finding the Fourth Proportional to 62,766.62, 86,615.60 and 34,470.62

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Solution

The fourth proportional to 62,766.62, 86,615.60 and 34,470.62 is: 47,568.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,766.62 : 86,615.60 = 34,470.62 : x
  2. Step 2: Convert to fraction form
    62,766.62/86,615.60 = 34,470.62/x
  3. Step 3: Cross multiply
    62,766.62x = 86,615.60 × 34,470.62
  4. Step 4: Simplify right side
    62,766.62x = 2,985,693,433.67
  5. Step 5: Solve for x
    x = 2,985,693,433.67/62,766.62
  6. Step 6: Final answer
    x = 47,568.17

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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.