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Finding the Fourth Proportional to 58.46, 87.63 and 22.36

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Solution

The fourth proportional to 58.46, 87.63 and 22.36 is: 33.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.46 : 87.63 = 22.36 : x
  2. Step 2: Convert to fraction form
    58.46/87.63 = 22.36/x
  3. Step 3: Cross multiply
    58.46x = 87.63 × 22.36
  4. Step 4: Simplify right side
    58.46x = 1,959.39
  5. Step 5: Solve for x
    x = 1,959.39/58.46
  6. Step 6: Final answer
    x = 33.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.