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Finding the Fourth Proportional to 48.64, 73.33 and 46.03

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Solution

The fourth proportional to 48.64, 73.33 and 46.03 is: 69.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.64 : 73.33 = 46.03 : x
  2. Step 2: Convert to fraction form
    48.64/73.33 = 46.03/x
  3. Step 3: Cross multiply
    48.64x = 73.33 × 46.03
  4. Step 4: Simplify right side
    48.64x = 3,375.38
  5. Step 5: Solve for x
    x = 3,375.38/48.64
  6. Step 6: Final answer
    x = 69.40

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.