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Finding the Fourth Proportional to 10.34, 14.24 and 10.26

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Solution

The fourth proportional to 10.34, 14.24 and 10.26 is: 14.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.34 : 14.24 = 10.26 : x
  2. Step 2: Convert to fraction form
    10.34/14.24 = 10.26/x
  3. Step 3: Cross multiply
    10.34x = 14.24 × 10.26
  4. Step 4: Simplify right side
    10.34x = 146.10
  5. Step 5: Solve for x
    x = 146.10/10.34
  6. Step 6: Final answer
    x = 14.13

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1.5x scale

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.