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Finding the Fourth Proportional to 9.52, 14.28 and 5.02

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Solution

The fourth proportional to 9.52, 14.28 and 5.02 is: 7.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.52 : 14.28 = 5.02 : x
  2. Step 2: Convert to fraction form
    9.52/14.28 = 5.02/x
  3. Step 3: Cross multiply
    9.52x = 14.28 × 5.02
  4. Step 4: Simplify right side
    9.52x = 71.63
  5. Step 5: Solve for x
    x = 71.63/9.52
  6. Step 6: Final answer
    x = 7.53

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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.