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Finding the Fourth Proportional to 70.02, 104.99 and 24.35

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Solution

The fourth proportional to 70.02, 104.99 and 24.35 is: 36.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70.02 : 104.99 = 24.35 : x
  2. Step 2: Convert to fraction form
    70.02/104.99 = 24.35/x
  3. Step 3: Cross multiply
    70.02x = 104.99 × 24.35
  4. Step 4: Simplify right side
    70.02x = 2,556.04
  5. Step 5: Solve for x
    x = 2,556.04/70.02
  6. Step 6: Final answer
    x = 36.50

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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.