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Finding the Fourth Proportional to 51.93, 71.62 and 32.50

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Solution

The fourth proportional to 51.93, 71.62 and 32.50 is: 44.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51.93 : 71.62 = 32.50 : x
  2. Step 2: Convert to fraction form
    51.93/71.62 = 32.50/x
  3. Step 3: Cross multiply
    51.93x = 71.62 × 32.50
  4. Step 4: Simplify right side
    51.93x = 2,327.65
  5. Step 5: Solve for x
    x = 2,327.65/51.93
  6. Step 6: Final answer
    x = 44.82

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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.