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Finding the Fourth Proportional to 69,073.79, 103,610.67 and 45,694.76

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Solution

The fourth proportional to 69,073.79, 103,610.67 and 45,694.76 is: 68,542.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,073.79 : 103,610.67 = 45,694.76 : x
  2. Step 2: Convert to fraction form
    69,073.79/103,610.67 = 45,694.76/x
  3. Step 3: Cross multiply
    69,073.79x = 103,610.67 × 45,694.76
  4. Step 4: Simplify right side
    69,073.79x = 4,734,464,699.09
  5. Step 5: Solve for x
    x = 4,734,464,699.09/69,073.79
  6. Step 6: Final answer
    x = 68,542.13

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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.