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Finding the Fourth Proportional to 37,270.80, 55,906.20 and 13,894.20

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Solution

The fourth proportional to 37,270.80, 55,906.20 and 13,894.20 is: 20,841.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,270.80 : 55,906.20 = 13,894.20 : x
  2. Step 2: Convert to fraction form
    37,270.80/55,906.20 = 13,894.20/x
  3. Step 3: Cross multiply
    37,270.80x = 55,906.20 × 13,894.20
  4. Step 4: Simplify right side
    37,270.80x = 776,771,924.04
  5. Step 5: Solve for x
    x = 776,771,924.04/37,270.80
  6. Step 6: Final answer
    x = 20,841.30

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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.