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Finding the Fourth Proportional to 37,247.87, 51,402.06 and 20,480.87

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Solution

The fourth proportional to 37,247.87, 51,402.06 and 20,480.87 is: 28,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,247.87 : 51,402.06 = 20,480.87 : x
  2. Step 2: Convert to fraction form
    37,247.87/51,402.06 = 20,480.87/x
  3. Step 3: Cross multiply
    37,247.87x = 51,402.06 × 20,480.87
  4. Step 4: Simplify right side
    37,247.87x = 1,052,758,651.58
  5. Step 5: Solve for x
    x = 1,052,758,651.58/37,247.87
  6. Step 6: Final answer
    x = 28,263.60

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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.