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Finding the Fourth Proportional to 49.04, 67.65 and 32.64

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Solution

The fourth proportional to 49.04, 67.65 and 32.64 is: 45.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.04 : 67.65 = 32.64 : x
  2. Step 2: Convert to fraction form
    49.04/67.65 = 32.64/x
  3. Step 3: Cross multiply
    49.04x = 67.65 × 32.64
  4. Step 4: Simplify right side
    49.04x = 2,208.10
  5. Step 5: Solve for x
    x = 2,208.10/49.04
  6. Step 6: Final answer
    x = 45.03

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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.