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Finding the Fourth Proportional to 6,503.79, 8,976.06 and 4,267.56

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Solution

The fourth proportional to 6,503.79, 8,976.06 and 4,267.56 is: 5,889.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,503.79 : 8,976.06 = 4,267.56 : x
  2. Step 2: Convert to fraction form
    6,503.79/8,976.06 = 4,267.56/x
  3. Step 3: Cross multiply
    6,503.79x = 8,976.06 × 4,267.56
  4. Step 4: Simplify right side
    6,503.79x = 38,305,874.61
  5. Step 5: Solve for x
    x = 38,305,874.61/6,503.79
  6. Step 6: Final answer
    x = 5,889.78

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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.