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Finding the Fourth Proportional to 62,762.33, 86,611.74 and 34,081.76

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Solution

The fourth proportional to 62,762.33, 86,611.74 and 34,081.76 is: 47,032.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,762.33 : 86,611.74 = 34,081.76 : x
  2. Step 2: Convert to fraction form
    62,762.33/86,611.74 = 34,081.76/x
  3. Step 3: Cross multiply
    62,762.33x = 86,611.74 × 34,081.76
  4. Step 4: Simplify right side
    62,762.33x = 2,951,880,535.86
  5. Step 5: Solve for x
    x = 2,951,880,535.86/62,762.33
  6. Step 6: Final answer
    x = 47,032.68

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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.