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Finding the Fourth Proportional to 46.57, 64.24 and 26.89

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Solution

The fourth proportional to 46.57, 64.24 and 26.89 is: 37.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.57 : 64.24 = 26.89 : x
  2. Step 2: Convert to fraction form
    46.57/64.24 = 26.89/x
  3. Step 3: Cross multiply
    46.57x = 64.24 × 26.89
  4. Step 4: Simplify right side
    46.57x = 1,727.60
  5. Step 5: Solve for x
    x = 1,727.60/46.57
  6. Step 6: Final answer
    x = 37.10

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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.