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Finding the Fourth Proportional to 43,610.76, 65,425.88 and 15,908.76

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Solution

The fourth proportional to 43,610.76, 65,425.88 and 15,908.76 is: 23,866.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,610.76 : 65,425.88 = 15,908.76 : x
  2. Step 2: Convert to fraction form
    43,610.76/65,425.88 = 15,908.76/x
  3. Step 3: Cross multiply
    43,610.76x = 65,425.88 × 15,908.76
  4. Step 4: Simplify right side
    43,610.76x = 1,040,844,622.71
  5. Step 5: Solve for x
    x = 1,040,844,622.71/43,610.76
  6. Step 6: Final answer
    x = 23,866.69

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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.