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Finding the Fourth Proportional to 55,589.70, 83,397.83 and 18,149.84

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Solution

The fourth proportional to 55,589.70, 83,397.83 and 18,149.84 is: 27,229.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,589.70 : 83,397.83 = 18,149.84 : x
  2. Step 2: Convert to fraction form
    55,589.70/83,397.83 = 18,149.84/x
  3. Step 3: Cross multiply
    55,589.70x = 83,397.83 × 18,149.84
  4. Step 4: Simplify right side
    55,589.70x = 1,513,657,388.59
  5. Step 5: Solve for x
    x = 1,513,657,388.59/55,589.70
  6. Step 6: Final answer
    x = 27,229.10

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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.