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Finding the Fourth Proportional to 5,983.80, 8,253.42 and 4,864.74

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Solution

The fourth proportional to 5,983.80, 8,253.42 and 4,864.74 is: 6,709.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,983.80 : 8,253.42 = 4,864.74 : x
  2. Step 2: Convert to fraction form
    5,983.80/8,253.42 = 4,864.74/x
  3. Step 3: Cross multiply
    5,983.80x = 8,253.42 × 4,864.74
  4. Step 4: Simplify right side
    5,983.80x = 40,150,742.41
  5. Step 5: Solve for x
    x = 40,150,742.41/5,983.80
  6. Step 6: Final answer
    x = 6,709.91

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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.