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Finding the Fourth Proportional to 32.44, 44.76 and 22.76

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Solution

The fourth proportional to 32.44, 44.76 and 22.76 is: 31.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.44 : 44.76 = 22.76 : x
  2. Step 2: Convert to fraction form
    32.44/44.76 = 22.76/x
  3. Step 3: Cross multiply
    32.44x = 44.76 × 22.76
  4. Step 4: Simplify right side
    32.44x = 1,018.74
  5. Step 5: Solve for x
    x = 1,018.74/32.44
  6. Step 6: Final answer
    x = 31.40

Related Problems

Find fourth proportional to 16.22, 22.38 and 11.38
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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.