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Finding the Fourth Proportional to 98.01, 147 and 24.88

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Solution

The fourth proportional to 98.01, 147 and 24.88 is: 37.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98.01 : 147 = 24.88 : x
  2. Step 2: Convert to fraction form
    98.01/147 = 24.88/x
  3. Step 3: Cross multiply
    98.01x = 147 × 24.88
  4. Step 4: Simplify right side
    98.01x = 3,657.36
  5. Step 5: Solve for x
    x = 3,657.36/98.01
  6. Step 6: Final answer
    x = 37.32

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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.