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Finding the Fourth Proportional to 1,754.75, 2,632.19 and 522.14

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Solution

The fourth proportional to 1,754.75, 2,632.19 and 522.14 is: 783.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.75 : 2,632.19 = 522.14 : x
  2. Step 2: Convert to fraction form
    1,754.75/2,632.19 = 522.14/x
  3. Step 3: Cross multiply
    1,754.75x = 2,632.19 × 522.14
  4. Step 4: Simplify right side
    1,754.75x = 1,374,355.91
  5. Step 5: Solve for x
    x = 1,374,355.91/1,754.75
  6. Step 6: Final answer
    x = 783.22

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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.