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Finding the Fourth Proportional to 48.51, 66.96 and 46.06

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Solution

The fourth proportional to 48.51, 66.96 and 46.06 is: 63.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.51 : 66.96 = 46.06 : x
  2. Step 2: Convert to fraction form
    48.51/66.96 = 46.06/x
  3. Step 3: Cross multiply
    48.51x = 66.96 × 46.06
  4. Step 4: Simplify right side
    48.51x = 3,084.18
  5. Step 5: Solve for x
    x = 3,084.18/48.51
  6. Step 6: Final answer
    x = 63.58

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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.