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Finding the Fourth Proportional to 5,630.19, 8,445.19 and 2,509.39

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Solution

The fourth proportional to 5,630.19, 8,445.19 and 2,509.39 is: 3,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.19 : 8,445.19 = 2,509.39 : x
  2. Step 2: Convert to fraction form
    5,630.19/8,445.19 = 2,509.39/x
  3. Step 3: Cross multiply
    5,630.19x = 8,445.19 × 2,509.39
  4. Step 4: Simplify right side
    5,630.19x = 21,192,275.33
  5. Step 5: Solve for x
    x = 21,192,275.33/5,630.19
  6. Step 6: Final answer
    x = 3,764.04

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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.