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Finding the Fourth Proportional to 47.04, 65.16 and 46.08

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Solution

The fourth proportional to 47.04, 65.16 and 46.08 is: 63.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.04 : 65.16 = 46.08 : x
  2. Step 2: Convert to fraction form
    47.04/65.16 = 46.08/x
  3. Step 3: Cross multiply
    47.04x = 65.16 × 46.08
  4. Step 4: Simplify right side
    47.04x = 3,002.57
  5. Step 5: Solve for x
    x = 3,002.57/47.04
  6. Step 6: Final answer
    x = 63.83

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.