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Finding the Fourth Proportional to 65.04, 97.48 and 46.48

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Solution

The fourth proportional to 65.04, 97.48 and 46.48 is: 69.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65.04 : 97.48 = 46.48 : x
  2. Step 2: Convert to fraction form
    65.04/97.48 = 46.48/x
  3. Step 3: Cross multiply
    65.04x = 97.48 × 46.48
  4. Step 4: Simplify right side
    65.04x = 4,530.87
  5. Step 5: Solve for x
    x = 4,530.87/65.04
  6. Step 6: Final answer
    x = 69.66

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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.