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Finding the Fourth Proportional to 1,755.14, 2,632.23 and 522.72

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Solution

The fourth proportional to 1,755.14, 2,632.23 and 522.72 is: 783.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.14 : 2,632.23 = 522.72 : x
  2. Step 2: Convert to fraction form
    1,755.14/2,632.23 = 522.72/x
  3. Step 3: Cross multiply
    1,755.14x = 2,632.23 × 522.72
  4. Step 4: Simplify right side
    1,755.14x = 1,375,919.27
  5. Step 5: Solve for x
    x = 1,375,919.27/1,755.14
  6. Step 6: Final answer
    x = 783.94

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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.