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Finding the Fourth Proportional to 10.53, 14.51 and 10.26

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Solution

The fourth proportional to 10.53, 14.51 and 10.26 is: 14.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.53 : 14.51 = 10.26 : x
  2. Step 2: Convert to fraction form
    10.53/14.51 = 10.26/x
  3. Step 3: Cross multiply
    10.53x = 14.51 × 10.26
  4. Step 4: Simplify right side
    10.53x = 148.90
  5. Step 5: Solve for x
    x = 148.90/10.53
  6. Step 6: Final answer
    x = 14.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.