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Finding the Fourth Proportional to 43,759.55, 65,623.13 and 34,417.73

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Solution

The fourth proportional to 43,759.55, 65,623.13 and 34,417.73 is: 51,613.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,759.55 : 65,623.13 = 34,417.73 : x
  2. Step 2: Convert to fraction form
    43,759.55/65,623.13 = 34,417.73/x
  3. Step 3: Cross multiply
    43,759.55x = 65,623.13 × 34,417.73
  4. Step 4: Simplify right side
    43,759.55x = 2,258,598,998.01
  5. Step 5: Solve for x
    x = 2,258,598,998.01/43,759.55
  6. Step 6: Final answer
    x = 51,613.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.