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Finding the Fourth Proportional to 15,300.68, 22,949.19 and 4,208.49

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Solution

The fourth proportional to 15,300.68, 22,949.19 and 4,208.49 is: 6,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,300.68 : 22,949.19 = 4,208.49 : x
  2. Step 2: Convert to fraction form
    15,300.68/22,949.19 = 4,208.49/x
  3. Step 3: Cross multiply
    15,300.68x = 22,949.19 × 4,208.49
  4. Step 4: Simplify right side
    15,300.68x = 96,581,436.62
  5. Step 5: Solve for x
    x = 96,581,436.62/15,300.68
  6. Step 6: Final answer
    x = 6,312.23

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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.