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Finding the Fourth Proportional to 50,006.80, 74,923.80 and 42,230.80

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Solution

The fourth proportional to 50,006.80, 74,923.80 and 42,230.80 is: 63,273.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,006.80 : 74,923.80 = 42,230.80 : x
  2. Step 2: Convert to fraction form
    50,006.80/74,923.80 = 42,230.80/x
  3. Step 3: Cross multiply
    50,006.80x = 74,923.80 × 42,230.80
  4. Step 4: Simplify right side
    50,006.80x = 3,164,092,013.04
  5. Step 5: Solve for x
    x = 3,164,092,013.04/50,006.80
  6. Step 6: Final answer
    x = 63,273.24

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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.