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Finding the Fourth Proportional to 7,363.91, 10,162.08 and 4,006.76

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Solution

The fourth proportional to 7,363.91, 10,162.08 and 4,006.76 is: 5,529.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,363.91 : 10,162.08 = 4,006.76 : x
  2. Step 2: Convert to fraction form
    7,363.91/10,162.08 = 4,006.76/x
  3. Step 3: Cross multiply
    7,363.91x = 10,162.08 × 4,006.76
  4. Step 4: Simplify right side
    7,363.91x = 40,716,964.85
  5. Step 5: Solve for x
    x = 40,716,964.85/7,363.91
  6. Step 6: Final answer
    x = 5,529.26

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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.