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Finding the Fourth Proportional to 50,006.56, 74,972.48 and 30,280.32

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Solution

The fourth proportional to 50,006.56, 74,972.48 and 30,280.32 is: 45,397.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,006.56 : 74,972.48 = 30,280.32 : x
  2. Step 2: Convert to fraction form
    50,006.56/74,972.48 = 30,280.32/x
  3. Step 3: Cross multiply
    50,006.56x = 74,972.48 × 30,280.32
  4. Step 4: Simplify right side
    50,006.56x = 2,270,190,685.59
  5. Step 5: Solve for x
    x = 2,270,190,685.59/50,006.56
  6. Step 6: Final answer
    x = 45,397.86

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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.