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Finding the Fourth Proportional to 10.44, 15.64 and 7.35

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Solution

The fourth proportional to 10.44, 15.64 and 7.35 is: 11.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.44 : 15.64 = 7.35 : x
  2. Step 2: Convert to fraction form
    10.44/15.64 = 7.35/x
  3. Step 3: Cross multiply
    10.44x = 15.64 × 7.35
  4. Step 4: Simplify right side
    10.44x = 114.95
  5. Step 5: Solve for x
    x = 114.95/10.44
  6. Step 6: Final answer
    x = 11.01

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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.