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Finding the Fourth Proportional to 7,008, 10,513.80 and 2,625.52

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Solution

The fourth proportional to 7,008, 10,513.80 and 2,625.52 is: 3,938.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008 : 10,513.80 = 2,625.52 : x
  2. Step 2: Convert to fraction form
    7,008/10,513.80 = 2,625.52/x
  3. Step 3: Cross multiply
    7,008x = 10,513.80 × 2,625.52
  4. Step 4: Simplify right side
    7,008x = 27,604,192.18
  5. Step 5: Solve for x
    x = 27,604,192.18/7,008
  6. Step 6: Final answer
    x = 3,938.95

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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.