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Finding the Fourth Proportional to 24.64, 34 and 17.72

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Solution

The fourth proportional to 24.64, 34 and 17.72 is: 24.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.64 : 34 = 17.72 : x
  2. Step 2: Convert to fraction form
    24.64/34 = 17.72/x
  3. Step 3: Cross multiply
    24.64x = 34 × 17.72
  4. Step 4: Simplify right side
    24.64x = 602.48
  5. Step 5: Solve for x
    x = 602.48/24.64
  6. Step 6: Final answer
    x = 24.46

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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.