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Finding the Fourth Proportional to 95.48, 143.18 and 26.99

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Solution

The fourth proportional to 95.48, 143.18 and 26.99 is: 40.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.48 : 143.18 = 26.99 : x
  2. Step 2: Convert to fraction form
    95.48/143.18 = 26.99/x
  3. Step 3: Cross multiply
    95.48x = 143.18 × 26.99
  4. Step 4: Simplify right side
    95.48x = 3,863.71
  5. Step 5: Solve for x
    x = 3,863.71/95.48
  6. Step 6: Final answer
    x = 40.47

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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.