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Finding the Fourth Proportional to 4,826.13, 7,239.19 and 1,363.47

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Solution

The fourth proportional to 4,826.13, 7,239.19 and 1,363.47 is: 2,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,826.13 : 7,239.19 = 1,363.47 : x
  2. Step 2: Convert to fraction form
    4,826.13/7,239.19 = 1,363.47/x
  3. Step 3: Cross multiply
    4,826.13x = 7,239.19 × 1,363.47
  4. Step 4: Simplify right side
    4,826.13x = 9,870,378.78
  5. Step 5: Solve for x
    x = 9,870,378.78/4,826.13
  6. Step 6: Final answer
    x = 2,045.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.