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Finding the Fourth Proportional to 934.10, 1,295.22 and 902.95

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Solution

The fourth proportional to 934.10, 1,295.22 and 902.95 is: 1,252.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.10 : 1,295.22 = 902.95 : x
  2. Step 2: Convert to fraction form
    934.10/1,295.22 = 902.95/x
  3. Step 3: Cross multiply
    934.10x = 1,295.22 × 902.95
  4. Step 4: Simplify right side
    934.10x = 1,169,519.05
  5. Step 5: Solve for x
    x = 1,169,519.05/934.10
  6. Step 6: Final answer
    x = 1,252.03

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.