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Finding the Fourth Proportional to 35.01, 48.28 and 29.49

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Solution

The fourth proportional to 35.01, 48.28 and 29.49 is: 40.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.01 : 48.28 = 29.49 : x
  2. Step 2: Convert to fraction form
    35.01/48.28 = 29.49/x
  3. Step 3: Cross multiply
    35.01x = 48.28 × 29.49
  4. Step 4: Simplify right side
    35.01x = 1,423.78
  5. Step 5: Solve for x
    x = 1,423.78/35.01
  6. Step 6: Final answer
    x = 40.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.