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Finding the Fourth Proportional to 1,177.44, 1,766.52 and 934.08

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Solution

The fourth proportional to 1,177.44, 1,766.52 and 934.08 is: 1,401.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.44 : 1,766.52 = 934.08 : x
  2. Step 2: Convert to fraction form
    1,177.44/1,766.52 = 934.08/x
  3. Step 3: Cross multiply
    1,177.44x = 1,766.52 × 934.08
  4. Step 4: Simplify right side
    1,177.44x = 1,650,071.00
  5. Step 5: Solve for x
    x = 1,650,071.00/1,177.44
  6. Step 6: Final answer
    x = 1,401.41

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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.