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Finding the Fourth Proportional to 63, 94.46 and 46.74

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Solution

The fourth proportional to 63, 94.46 and 46.74 is: 70.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63 : 94.46 = 46.74 : x
  2. Step 2: Convert to fraction form
    63/94.46 = 46.74/x
  3. Step 3: Cross multiply
    63x = 94.46 × 46.74
  4. Step 4: Simplify right side
    63x = 4,415.06
  5. Step 5: Solve for x
    x = 4,415.06/63
  6. Step 6: Final answer
    x = 70.08

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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.