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Finding the Fourth Proportional to 49,878.62, 69,123.74 and 48,932.42

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Solution

The fourth proportional to 49,878.62, 69,123.74 and 48,932.42 is: 67,812.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,878.62 : 69,123.74 = 48,932.42 : x
  2. Step 2: Convert to fraction form
    49,878.62/69,123.74 = 48,932.42/x
  3. Step 3: Cross multiply
    49,878.62x = 69,123.74 × 48,932.42
  4. Step 4: Simplify right side
    49,878.62x = 3,382,391,877.65
  5. Step 5: Solve for x
    x = 3,382,391,877.65/49,878.62
  6. Step 6: Final answer
    x = 67,812.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.