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Finding the Fourth Proportional to 46.67, 70.01 and 17.77

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Solution

The fourth proportional to 46.67, 70.01 and 17.77 is: 26.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.67 : 70.01 = 17.77 : x
  2. Step 2: Convert to fraction form
    46.67/70.01 = 17.77/x
  3. Step 3: Cross multiply
    46.67x = 70.01 × 17.77
  4. Step 4: Simplify right side
    46.67x = 1,243.64
  5. Step 5: Solve for x
    x = 1,243.64/46.67
  6. Step 6: Final answer
    x = 26.65

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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.