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Finding the Fourth Proportional to 58.44, 88.04 and 48.36

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Solution

The fourth proportional to 58.44, 88.04 and 48.36 is: 72.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.44 : 88.04 = 48.36 : x
  2. Step 2: Convert to fraction form
    58.44/88.04 = 48.36/x
  3. Step 3: Cross multiply
    58.44x = 88.04 × 48.36
  4. Step 4: Simplify right side
    58.44x = 4,257.37
  5. Step 5: Solve for x
    x = 4,257.37/58.44
  6. Step 6: Final answer
    x = 72.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.