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Finding the Fourth Proportional to 23.40, 32.33 and 23.19

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Solution

The fourth proportional to 23.40, 32.33 and 23.19 is: 32.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.40 : 32.33 = 23.19 : x
  2. Step 2: Convert to fraction form
    23.40/32.33 = 23.19/x
  3. Step 3: Cross multiply
    23.40x = 32.33 × 23.19
  4. Step 4: Simplify right side
    23.40x = 749.62
  5. Step 5: Solve for x
    x = 749.62/23.40
  6. Step 6: Final answer
    x = 32.03

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1.5x scale

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.