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Finding the Fourth Proportional to 64,735.74, 89,324.19 and 59,503.73

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Solution

The fourth proportional to 64,735.74, 89,324.19 and 59,503.73 is: 82,104.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,735.74 : 89,324.19 = 59,503.73 : x
  2. Step 2: Convert to fraction form
    64,735.74/89,324.19 = 59,503.73/x
  3. Step 3: Cross multiply
    64,735.74x = 89,324.19 × 59,503.73
  4. Step 4: Simplify right side
    64,735.74x = 5,315,122,037.61
  5. Step 5: Solve for x
    x = 5,315,122,037.61/64,735.74
  6. Step 6: Final answer
    x = 82,104.91

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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.