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Finding the Fourth Proportional to 69,076.96, 103,582.44 and 31,625.76

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Solution

The fourth proportional to 69,076.96, 103,582.44 and 31,625.76 is: 47,423.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,076.96 : 103,582.44 = 31,625.76 : x
  2. Step 2: Convert to fraction form
    69,076.96/103,582.44 = 31,625.76/x
  3. Step 3: Cross multiply
    69,076.96x = 103,582.44 × 31,625.76
  4. Step 4: Simplify right side
    69,076.96x = 3,275,873,387.65
  5. Step 5: Solve for x
    x = 3,275,873,387.65/69,076.96
  6. Step 6: Final answer
    x = 47,423.53

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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.