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Finding the Fourth Proportional to 2,904.90, 4,350.15 and 2,328.90

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Solution

The fourth proportional to 2,904.90, 4,350.15 and 2,328.90 is: 3,487.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.90 : 4,350.15 = 2,328.90 : x
  2. Step 2: Convert to fraction form
    2,904.90/4,350.15 = 2,328.90/x
  3. Step 3: Cross multiply
    2,904.90x = 4,350.15 × 2,328.90
  4. Step 4: Simplify right side
    2,904.90x = 10,131,064.34
  5. Step 5: Solve for x
    x = 10,131,064.34/2,904.90
  6. Step 6: Final answer
    x = 3,487.58

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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.