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Finding the Fourth Proportional to 29.18, 43.70 and 17.14

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Solution

The fourth proportional to 29.18, 43.70 and 17.14 is: 25.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.18 : 43.70 = 17.14 : x
  2. Step 2: Convert to fraction form
    29.18/43.70 = 17.14/x
  3. Step 3: Cross multiply
    29.18x = 43.70 × 17.14
  4. Step 4: Simplify right side
    29.18x = 749.02
  5. Step 5: Solve for x
    x = 749.02/29.18
  6. Step 6: Final answer
    x = 25.67

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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.