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Finding the Fourth Proportional to 58.56, 87.90 and 24.36

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Solution

The fourth proportional to 58.56, 87.90 and 24.36 is: 36.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.56 : 87.90 = 24.36 : x
  2. Step 2: Convert to fraction form
    58.56/87.90 = 24.36/x
  3. Step 3: Cross multiply
    58.56x = 87.90 × 24.36
  4. Step 4: Simplify right side
    58.56x = 2,141.24
  5. Step 5: Solve for x
    x = 2,141.24/58.56
  6. Step 6: Final answer
    x = 36.56

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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.