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Finding the Fourth Proportional to 57,993.62, 80,055.70 and 39,156.26

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Solution

The fourth proportional to 57,993.62, 80,055.70 and 39,156.26 is: 54,052.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,993.62 : 80,055.70 = 39,156.26 : x
  2. Step 2: Convert to fraction form
    57,993.62/80,055.70 = 39,156.26/x
  3. Step 3: Cross multiply
    57,993.62x = 80,055.70 × 39,156.26
  4. Step 4: Simplify right side
    57,993.62x = 3,134,681,803.68
  5. Step 5: Solve for x
    x = 3,134,681,803.68/57,993.62
  6. Step 6: Final answer
    x = 54,052.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.