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Finding the Fourth Proportional to 47.24, 70.33 and 46.52

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Solution

The fourth proportional to 47.24, 70.33 and 46.52 is: 69.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.24 : 70.33 = 46.52 : x
  2. Step 2: Convert to fraction form
    47.24/70.33 = 46.52/x
  3. Step 3: Cross multiply
    47.24x = 70.33 × 46.52
  4. Step 4: Simplify right side
    47.24x = 3,271.75
  5. Step 5: Solve for x
    x = 3,271.75/47.24
  6. Step 6: Final answer
    x = 69.26

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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.