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Finding the Fourth Proportional to 4,873.66, 6,717.72 and 3,809.55

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Solution

The fourth proportional to 4,873.66, 6,717.72 and 3,809.55 is: 5,250.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,873.66 : 6,717.72 = 3,809.55 : x
  2. Step 2: Convert to fraction form
    4,873.66/6,717.72 = 3,809.55/x
  3. Step 3: Cross multiply
    4,873.66x = 6,717.72 × 3,809.55
  4. Step 4: Simplify right side
    4,873.66x = 25,591,470.49
  5. Step 5: Solve for x
    x = 25,591,470.49/4,873.66
  6. Step 6: Final answer
    x = 5,250.98

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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.