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Finding the Fourth Proportional to 25,003.80, 37,512.36 and 7,473.78

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Solution

The fourth proportional to 25,003.80, 37,512.36 and 7,473.78 is: 11,212.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,003.80 : 37,512.36 = 7,473.78 : x
  2. Step 2: Convert to fraction form
    25,003.80/37,512.36 = 7,473.78/x
  3. Step 3: Cross multiply
    25,003.80x = 37,512.36 × 7,473.78
  4. Step 4: Simplify right side
    25,003.80x = 280,359,125.92
  5. Step 5: Solve for x
    x = 280,359,125.92/25,003.80
  6. Step 6: Final answer
    x = 11,212.66

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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.