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Finding the Fourth Proportional to 29.32, 43.98 and 25

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Solution

The fourth proportional to 29.32, 43.98 and 25 is: 37.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.32 : 43.98 = 25 : x
  2. Step 2: Convert to fraction form
    29.32/43.98 = 25/x
  3. Step 3: Cross multiply
    29.32x = 43.98 × 25
  4. Step 4: Simplify right side
    29.32x = 1,099.50
  5. Step 5: Solve for x
    x = 1,099.50/29.32
  6. Step 6: Final answer
    x = 37.50

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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.