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Finding the Fourth Proportional to 34.64, 47.76 and 24.26

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Solution

The fourth proportional to 34.64, 47.76 and 24.26 is: 33.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.64 : 47.76 = 24.26 : x
  2. Step 2: Convert to fraction form
    34.64/47.76 = 24.26/x
  3. Step 3: Cross multiply
    34.64x = 47.76 × 24.26
  4. Step 4: Simplify right side
    34.64x = 1,158.87
  5. Step 5: Solve for x
    x = 1,158.87/34.64
  6. Step 6: Final answer
    x = 33.45

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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.