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Finding the Fourth Proportional to 7,363.65, 10,162.08 and 4,220.44

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Solution

The fourth proportional to 7,363.65, 10,162.08 and 4,220.44 is: 5,824.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,363.65 : 10,162.08 = 4,220.44 : x
  2. Step 2: Convert to fraction form
    7,363.65/10,162.08 = 4,220.44/x
  3. Step 3: Cross multiply
    7,363.65x = 10,162.08 × 4,220.44
  4. Step 4: Simplify right side
    7,363.65x = 42,888,448.92
  5. Step 5: Solve for x
    x = 42,888,448.92/7,363.65
  6. Step 6: Final answer
    x = 5,824.35

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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.