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Finding the Fourth Proportional to 50,461.48, 69,132.56 and 48,569.74

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Solution

The fourth proportional to 50,461.48, 69,132.56 and 48,569.74 is: 66,540.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,461.48 : 69,132.56 = 48,569.74 : x
  2. Step 2: Convert to fraction form
    50,461.48/69,132.56 = 48,569.74/x
  3. Step 3: Cross multiply
    50,461.48x = 69,132.56 × 48,569.74
  4. Step 4: Simplify right side
    50,461.48x = 3,357,750,464.73
  5. Step 5: Solve for x
    x = 3,357,750,464.73/50,461.48
  6. Step 6: Final answer
    x = 66,540.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.