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Finding the Fourth Proportional to 37,103.96, 51,205.95 and 20,965.68

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Solution

The fourth proportional to 37,103.96, 51,205.95 and 20,965.68 is: 28,934.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,103.96 : 51,205.95 = 20,965.68 : x
  2. Step 2: Convert to fraction form
    37,103.96/51,205.95 = 20,965.68/x
  3. Step 3: Cross multiply
    37,103.96x = 51,205.95 × 20,965.68
  4. Step 4: Simplify right side
    37,103.96x = 1,073,567,561.80
  5. Step 5: Solve for x
    x = 1,073,567,561.80/37,103.96
  6. Step 6: Final answer
    x = 28,934.05

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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.