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Finding the Fourth Proportional to 2,922.58, 4,390.00 and 2,483.76

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Solution

The fourth proportional to 2,922.58, 4,390.00 and 2,483.76 is: 3,730.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.58 : 4,390.00 = 2,483.76 : x
  2. Step 2: Convert to fraction form
    2,922.58/4,390.00 = 2,483.76/x
  3. Step 3: Cross multiply
    2,922.58x = 4,390.00 × 2,483.76
  4. Step 4: Simplify right side
    2,922.58x = 10,903,716.65
  5. Step 5: Solve for x
    x = 10,903,716.65/2,922.58
  6. Step 6: Final answer
    x = 3,730.85

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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.