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Finding the Fourth Proportional to 2,625.93, 3,624 and 1,740.21

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Solution

The fourth proportional to 2,625.93, 3,624 and 1,740.21 is: 2,401.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.93 : 3,624 = 1,740.21 : x
  2. Step 2: Convert to fraction form
    2,625.93/3,624 = 1,740.21/x
  3. Step 3: Cross multiply
    2,625.93x = 3,624 × 1,740.21
  4. Step 4: Simplify right side
    2,625.93x = 6,306,521.04
  5. Step 5: Solve for x
    x = 6,306,521.04/2,625.93
  6. Step 6: Final answer
    x = 2,401.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.