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Finding the Fourth Proportional to 7,007.58, 10,515.92 and 2,625

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Solution

The fourth proportional to 7,007.58, 10,515.92 and 2,625 is: 3,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.58 : 10,515.92 = 2,625 : x
  2. Step 2: Convert to fraction form
    7,007.58/10,515.92 = 2,625/x
  3. Step 3: Cross multiply
    7,007.58x = 10,515.92 × 2,625
  4. Step 4: Simplify right side
    7,007.58x = 27,604,290
  5. Step 5: Solve for x
    x = 27,604,290/7,007.58
  6. Step 6: Final answer
    x = 3,939.20

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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.