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Finding the Fourth Proportional to 37,245.60, 55,819.80 and 15,040.80

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Solution

The fourth proportional to 37,245.60, 55,819.80 and 15,040.80 is: 22,541.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,245.60 : 55,819.80 = 15,040.80 : x
  2. Step 2: Convert to fraction form
    37,245.60/55,819.80 = 15,040.80/x
  3. Step 3: Cross multiply
    37,245.60x = 55,819.80 × 15,040.80
  4. Step 4: Simplify right side
    37,245.60x = 839,574,447.84
  5. Step 5: Solve for x
    x = 839,574,447.84/37,245.60
  6. Step 6: Final answer
    x = 22,541.57

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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.