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Finding the Fourth Proportional to 15,364.88, 23,049.74 and 5,503.94

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Solution

The fourth proportional to 15,364.88, 23,049.74 and 5,503.94 is: 8,256.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,364.88 : 23,049.74 = 5,503.94 : x
  2. Step 2: Convert to fraction form
    15,364.88/23,049.74 = 5,503.94/x
  3. Step 3: Cross multiply
    15,364.88x = 23,049.74 × 5,503.94
  4. Step 4: Simplify right side
    15,364.88x = 126,864,370.92
  5. Step 5: Solve for x
    x = 126,864,370.92/15,364.88
  6. Step 6: Final answer
    x = 8,256.78

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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.