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Finding the Fourth Proportional to 32.19, 48.18 and 22.53

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Solution

The fourth proportional to 32.19, 48.18 and 22.53 is: 33.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.19 : 48.18 = 22.53 : x
  2. Step 2: Convert to fraction form
    32.19/48.18 = 22.53/x
  3. Step 3: Cross multiply
    32.19x = 48.18 × 22.53
  4. Step 4: Simplify right side
    32.19x = 1,085.50
  5. Step 5: Solve for x
    x = 1,085.50/32.19
  6. Step 6: Final answer
    x = 33.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.