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Finding the Fourth Proportional to 37,291.78, 51,462.63 and 20,524.78

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Solution

The fourth proportional to 37,291.78, 51,462.63 and 20,524.78 is: 28,324.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,291.78 : 51,462.63 = 20,524.78 : x
  2. Step 2: Convert to fraction form
    37,291.78/51,462.63 = 20,524.78/x
  3. Step 3: Cross multiply
    37,291.78x = 51,462.63 × 20,524.78
  4. Step 4: Simplify right side
    37,291.78x = 1,056,259,158.97
  5. Step 5: Solve for x
    x = 1,056,259,158.97/37,291.78
  6. Step 6: Final answer
    x = 28,324.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.