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Finding the Fourth Proportional to 52.37, 72.29 and 34

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Solution

The fourth proportional to 52.37, 72.29 and 34 is: 46.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.37 : 72.29 = 34 : x
  2. Step 2: Convert to fraction form
    52.37/72.29 = 34/x
  3. Step 3: Cross multiply
    52.37x = 72.29 × 34
  4. Step 4: Simplify right side
    52.37x = 2,457.86
  5. Step 5: Solve for x
    x = 2,457.86/52.37
  6. Step 6: Final answer
    x = 46.93

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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.