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Finding the Fourth Proportional to 37,060.80, 55,600.05 and 12,100.90

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Solution

The fourth proportional to 37,060.80, 55,600.05 and 12,100.90 is: 18,154.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,060.80 : 55,600.05 = 12,100.90 : x
  2. Step 2: Convert to fraction form
    37,060.80/55,600.05 = 12,100.90/x
  3. Step 3: Cross multiply
    37,060.80x = 55,600.05 × 12,100.90
  4. Step 4: Simplify right side
    37,060.80x = 672,810,367.04
  5. Step 5: Solve for x
    x = 672,810,367.04/37,060.80
  6. Step 6: Final answer
    x = 18,154.23

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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.