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Finding the Fourth Proportional to 46.41, 64 and 33.45

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Solution

The fourth proportional to 46.41, 64 and 33.45 is: 46.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.41 : 64 = 33.45 : x
  2. Step 2: Convert to fraction form
    46.41/64 = 33.45/x
  3. Step 3: Cross multiply
    46.41x = 64 × 33.45
  4. Step 4: Simplify right side
    46.41x = 2,140.80
  5. Step 5: Solve for x
    x = 2,140.80/46.41
  6. Step 6: Final answer
    x = 46.13

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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.