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Finding the Fourth Proportional to 8,404.54, 11,600.94 and 5,049.92

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Solution

The fourth proportional to 8,404.54, 11,600.94 and 5,049.92 is: 6,970.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404.54 : 11,600.94 = 5,049.92 : x
  2. Step 2: Convert to fraction form
    8,404.54/11,600.94 = 5,049.92/x
  3. Step 3: Cross multiply
    8,404.54x = 11,600.94 × 5,049.92
  4. Step 4: Simplify right side
    8,404.54x = 58,583,818.92
  5. Step 5: Solve for x
    x = 58,583,818.92/8,404.54
  6. Step 6: Final answer
    x = 6,970.50

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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.