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Finding the Fourth Proportional to 46.02, 69.08 and 25.77

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Solution

The fourth proportional to 46.02, 69.08 and 25.77 is: 38.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.02 : 69.08 = 25.77 : x
  2. Step 2: Convert to fraction form
    46.02/69.08 = 25.77/x
  3. Step 3: Cross multiply
    46.02x = 69.08 × 25.77
  4. Step 4: Simplify right side
    46.02x = 1,780.06
  5. Step 5: Solve for x
    x = 1,780.06/46.02
  6. Step 6: Final answer
    x = 38.68

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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.