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Finding the Fourth Proportional to 7,363.71, 10,162.80 and 4,219.88

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Solution

The fourth proportional to 7,363.71, 10,162.80 and 4,219.88 is: 5,823.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,363.71 : 10,162.80 = 4,219.88 : x
  2. Step 2: Convert to fraction form
    7,363.71/10,162.80 = 4,219.88/x
  3. Step 3: Cross multiply
    7,363.71x = 10,162.80 × 4,219.88
  4. Step 4: Simplify right side
    7,363.71x = 42,885,745.65
  5. Step 5: Solve for x
    x = 42,885,745.65/7,363.71
  6. Step 6: Final answer
    x = 5,823.93

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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.