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Finding the Fourth Proportional to 1,755.56, 2,632.50 and 934.22

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Solution

The fourth proportional to 1,755.56, 2,632.50 and 934.22 is: 1,400.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.56 : 2,632.50 = 934.22 : x
  2. Step 2: Convert to fraction form
    1,755.56/2,632.50 = 934.22/x
  3. Step 3: Cross multiply
    1,755.56x = 2,632.50 × 934.22
  4. Step 4: Simplify right side
    1,755.56x = 2,459,334.15
  5. Step 5: Solve for x
    x = 2,459,334.15/1,755.56
  6. Step 6: Final answer
    x = 1,400.88

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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.