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Finding the Fourth Proportional to 46.55, 64.24 and 34.93

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Solution

The fourth proportional to 46.55, 64.24 and 34.93 is: 48.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.55 : 64.24 = 34.93 : x
  2. Step 2: Convert to fraction form
    46.55/64.24 = 34.93/x
  3. Step 3: Cross multiply
    46.55x = 64.24 × 34.93
  4. Step 4: Simplify right side
    46.55x = 2,244.09
  5. Step 5: Solve for x
    x = 2,244.09/46.55
  6. Step 6: Final answer
    x = 48.21

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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.