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Finding the Fourth Proportional to 69,662.05, 96,163.05 and 47,031.69

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Solution

The fourth proportional to 69,662.05, 96,163.05 and 47,031.69 is: 64,923.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,662.05 : 96,163.05 = 47,031.69 : x
  2. Step 2: Convert to fraction form
    69,662.05/96,163.05 = 47,031.69/x
  3. Step 3: Cross multiply
    69,662.05x = 96,163.05 × 47,031.69
  4. Step 4: Simplify right side
    69,662.05x = 4,522,710,757.05
  5. Step 5: Solve for x
    x = 4,522,710,757.05/69,662.05
  6. Step 6: Final answer
    x = 64,923.60

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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.