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Finding the Fourth Proportional to 5,363.04, 8,037.90 and 4,815.48

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Solution

The fourth proportional to 5,363.04, 8,037.90 and 4,815.48 is: 7,217.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.04 : 8,037.90 = 4,815.48 : x
  2. Step 2: Convert to fraction form
    5,363.04/8,037.90 = 4,815.48/x
  3. Step 3: Cross multiply
    5,363.04x = 8,037.90 × 4,815.48
  4. Step 4: Simplify right side
    5,363.04x = 38,706,346.69
  5. Step 5: Solve for x
    x = 38,706,346.69/5,363.04
  6. Step 6: Final answer
    x = 7,217.24

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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.