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Finding the Fourth Proportional to 62.93, 86.66 and 46.52

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Solution

The fourth proportional to 62.93, 86.66 and 46.52 is: 64.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.93 : 86.66 = 46.52 : x
  2. Step 2: Convert to fraction form
    62.93/86.66 = 46.52/x
  3. Step 3: Cross multiply
    62.93x = 86.66 × 46.52
  4. Step 4: Simplify right side
    62.93x = 4,031.76
  5. Step 5: Solve for x
    x = 4,031.76/62.93
  6. Step 6: Final answer
    x = 64.07

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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.