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Finding the Fourth Proportional to 1,755.94, 2,630.98 and 1,235.01

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Solution

The fourth proportional to 1,755.94, 2,630.98 and 1,235.01 is: 1,850.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.94 : 2,630.98 = 1,235.01 : x
  2. Step 2: Convert to fraction form
    1,755.94/2,630.98 = 1,235.01/x
  3. Step 3: Cross multiply
    1,755.94x = 2,630.98 × 1,235.01
  4. Step 4: Simplify right side
    1,755.94x = 3,249,286.61
  5. Step 5: Solve for x
    x = 3,249,286.61/1,755.94
  6. Step 6: Final answer
    x = 1,850.45

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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.