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Finding the Fourth Proportional to 37,000.40, 55,500.60 and 12,042.80

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Solution

The fourth proportional to 37,000.40, 55,500.60 and 12,042.80 is: 18,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,000.40 : 55,500.60 = 12,042.80 : x
  2. Step 2: Convert to fraction form
    37,000.40/55,500.60 = 12,042.80/x
  3. Step 3: Cross multiply
    37,000.40x = 55,500.60 × 12,042.80
  4. Step 4: Simplify right side
    37,000.40x = 668,382,625.68
  5. Step 5: Solve for x
    x = 668,382,625.68/37,000.40
  6. Step 6: Final answer
    x = 18,064.20

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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.