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Finding the Fourth Proportional to 29.47, 40.63 and 24

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Solution

The fourth proportional to 29.47, 40.63 and 24 is: 33.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.47 : 40.63 = 24 : x
  2. Step 2: Convert to fraction form
    29.47/40.63 = 24/x
  3. Step 3: Cross multiply
    29.47x = 40.63 × 24
  4. Step 4: Simplify right side
    29.47x = 975.12
  5. Step 5: Solve for x
    x = 975.12/29.47
  6. Step 6: Final answer
    x = 33.09

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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.