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Finding the Fourth Proportional to 46.94, 64.76 and 27.53

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Solution

The fourth proportional to 46.94, 64.76 and 27.53 is: 37.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.94 : 64.76 = 27.53 : x
  2. Step 2: Convert to fraction form
    46.94/64.76 = 27.53/x
  3. Step 3: Cross multiply
    46.94x = 64.76 × 27.53
  4. Step 4: Simplify right side
    46.94x = 1,782.38
  5. Step 5: Solve for x
    x = 1,782.38/46.94
  6. Step 6: Final answer
    x = 37.98

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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.