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Finding the Fourth Proportional to 55,960.20, 83,940.30 and 49,399.20

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Solution

The fourth proportional to 55,960.20, 83,940.30 and 49,399.20 is: 74,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,960.20 : 83,940.30 = 49,399.20 : x
  2. Step 2: Convert to fraction form
    55,960.20/83,940.30 = 49,399.20/x
  3. Step 3: Cross multiply
    55,960.20x = 83,940.30 × 49,399.20
  4. Step 4: Simplify right side
    55,960.20x = 4,146,583,667.76
  5. Step 5: Solve for x
    x = 4,146,583,667.76/55,960.20
  6. Step 6: Final answer
    x = 74,098.80

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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.