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Finding the Fourth Proportional to 43,324.76, 65,013.06 and 39,799.64

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Solution

The fourth proportional to 43,324.76, 65,013.06 and 39,799.64 is: 59,723.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,324.76 : 65,013.06 = 39,799.64 : x
  2. Step 2: Convert to fraction form
    43,324.76/65,013.06 = 39,799.64/x
  3. Step 3: Cross multiply
    43,324.76x = 65,013.06 × 39,799.64
  4. Step 4: Simplify right side
    43,324.76x = 2,587,496,383.30
  5. Step 5: Solve for x
    x = 2,587,496,383.30/43,324.76
  6. Step 6: Final answer
    x = 59,723.27

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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.