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Finding the Fourth Proportional to 46.79, 64.56 and 26.06

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Solution

The fourth proportional to 46.79, 64.56 and 26.06 is: 35.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.79 : 64.56 = 26.06 : x
  2. Step 2: Convert to fraction form
    46.79/64.56 = 26.06/x
  3. Step 3: Cross multiply
    46.79x = 64.56 × 26.06
  4. Step 4: Simplify right side
    46.79x = 1,682.69
  5. Step 5: Solve for x
    x = 1,682.69/46.79
  6. Step 6: Final answer
    x = 35.97

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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.