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Finding the Fourth Proportional to 32.94, 45.48 and 32.67

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Solution

The fourth proportional to 32.94, 45.48 and 32.67 is: 45.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.94 : 45.48 = 32.67 : x
  2. Step 2: Convert to fraction form
    32.94/45.48 = 32.67/x
  3. Step 3: Cross multiply
    32.94x = 45.48 × 32.67
  4. Step 4: Simplify right side
    32.94x = 1,485.83
  5. Step 5: Solve for x
    x = 1,485.83/32.94
  6. Step 6: Final answer
    x = 45.11

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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.