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Finding the Fourth Proportional to 4,649.98, 6,974.20 and 1,530.02

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Solution

The fourth proportional to 4,649.98, 6,974.20 and 1,530.02 is: 2,294.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,649.98 : 6,974.20 = 1,530.02 : x
  2. Step 2: Convert to fraction form
    4,649.98/6,974.20 = 1,530.02/x
  3. Step 3: Cross multiply
    4,649.98x = 6,974.20 × 1,530.02
  4. Step 4: Simplify right side
    4,649.98x = 10,670,679.09
  5. Step 5: Solve for x
    x = 10,670,679.09/4,649.98
  6. Step 6: Final answer
    x = 2,294.78

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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.