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Finding the Fourth Proportional to 86,576.97, 129,864.77 and 46,614.67

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Solution

The fourth proportional to 86,576.97, 129,864.77 and 46,614.67 is: 69,921.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,576.97 : 129,864.77 = 46,614.67 : x
  2. Step 2: Convert to fraction form
    86,576.97/129,864.77 = 46,614.67/x
  3. Step 3: Cross multiply
    86,576.97x = 129,864.77 × 46,614.67
  4. Step 4: Simplify right side
    86,576.97x = 6,053,603,745.73
  5. Step 5: Solve for x
    x = 6,053,603,745.73/86,576.97
  6. Step 6: Final answer
    x = 69,921.64

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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.