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Finding the Fourth Proportional to 30.14, 41.65 and 26.13

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Solution

The fourth proportional to 30.14, 41.65 and 26.13 is: 36.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30.14 : 41.65 = 26.13 : x
  2. Step 2: Convert to fraction form
    30.14/41.65 = 26.13/x
  3. Step 3: Cross multiply
    30.14x = 41.65 × 26.13
  4. Step 4: Simplify right side
    30.14x = 1,088.25
  5. Step 5: Solve for x
    x = 1,088.25/30.14
  6. Step 6: Final answer
    x = 36.11

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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.