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Finding the Fourth Proportional to 935.30, 1,348.56 and 935.30

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Solution

The fourth proportional to 935.30, 1,348.56 and 935.30 is: 1,348.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.30 : 1,348.56 = 935.30 : x
  2. Step 2: Convert to fraction form
    935.30/1,348.56 = 935.30/x
  3. Step 3: Cross multiply
    935.30x = 1,348.56 × 935.30
  4. Step 4: Simplify right side
    935.30x = 1,261,308.17
  5. Step 5: Solve for x
    x = 1,261,308.17/935.30
  6. Step 6: Final answer
    x = 1,348.56

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.