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Finding the Fourth Proportional to 58.84, 81.30 and 46.67

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Solution

The fourth proportional to 58.84, 81.30 and 46.67 is: 64.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.84 : 81.30 = 46.67 : x
  2. Step 2: Convert to fraction form
    58.84/81.30 = 46.67/x
  3. Step 3: Cross multiply
    58.84x = 81.30 × 46.67
  4. Step 4: Simplify right side
    58.84x = 3,794.27
  5. Step 5: Solve for x
    x = 3,794.27/58.84
  6. Step 6: Final answer
    x = 64.48

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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.