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Finding the Fourth Proportional to 37,139.60, 55,752.60 and 22,365.20

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Solution

The fourth proportional to 37,139.60, 55,752.60 and 22,365.20 is: 33,573.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,139.60 : 55,752.60 = 22,365.20 : x
  2. Step 2: Convert to fraction form
    37,139.60/55,752.60 = 22,365.20/x
  3. Step 3: Cross multiply
    37,139.60x = 55,752.60 × 22,365.20
  4. Step 4: Simplify right side
    37,139.60x = 1,246,918,049.52
  5. Step 5: Solve for x
    x = 1,246,918,049.52/37,139.60
  6. Step 6: Final answer
    x = 33,573.81

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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.