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Finding the Fourth Proportional to 934.24, 1,401.36 and 932.89

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Solution

The fourth proportional to 934.24, 1,401.36 and 932.89 is: 1,399.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.24 : 1,401.36 = 932.89 : x
  2. Step 2: Convert to fraction form
    934.24/1,401.36 = 932.89/x
  3. Step 3: Cross multiply
    934.24x = 1,401.36 × 932.89
  4. Step 4: Simplify right side
    934.24x = 1,307,303.06
  5. Step 5: Solve for x
    x = 1,307,303.06/934.24
  6. Step 6: Final answer
    x = 1,399.33

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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.