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Finding the Fourth Proportional to 29.99, 44.76 and 29.13

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Solution

The fourth proportional to 29.99, 44.76 and 29.13 is: 43.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.99 : 44.76 = 29.13 : x
  2. Step 2: Convert to fraction form
    29.99/44.76 = 29.13/x
  3. Step 3: Cross multiply
    29.99x = 44.76 × 29.13
  4. Step 4: Simplify right side
    29.99x = 1,303.86
  5. Step 5: Solve for x
    x = 1,303.86/29.99
  6. Step 6: Final answer
    x = 43.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.