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Finding the Fourth Proportional to 59.95, 82.74 and 46.81

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Solution

The fourth proportional to 59.95, 82.74 and 46.81 is: 64.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.95 : 82.74 = 46.81 : x
  2. Step 2: Convert to fraction form
    59.95/82.74 = 46.81/x
  3. Step 3: Cross multiply
    59.95x = 82.74 × 46.81
  4. Step 4: Simplify right side
    59.95x = 3,872.53
  5. Step 5: Solve for x
    x = 3,872.53/59.95
  6. Step 6: Final answer
    x = 64.60

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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.