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Finding the Fourth Proportional to 29, 43.51 and 14.76

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Solution

The fourth proportional to 29, 43.51 and 14.76 is: 22.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29 : 43.51 = 14.76 : x
  2. Step 2: Convert to fraction form
    29/43.51 = 14.76/x
  3. Step 3: Cross multiply
    29x = 43.51 × 14.76
  4. Step 4: Simplify right side
    29x = 642.21
  5. Step 5: Solve for x
    x = 642.21/29
  6. Step 6: Final answer
    x = 22.15

Related Problems

Find fourth proportional to 14.50, 21.76 and 7.38
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Similar ratio
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1.5x scale

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.