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Finding the Fourth Proportional to 58, 79.98 and 41.59

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Solution

The fourth proportional to 58, 79.98 and 41.59 is: 57.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58 : 79.98 = 41.59 : x
  2. Step 2: Convert to fraction form
    58/79.98 = 41.59/x
  3. Step 3: Cross multiply
    58x = 79.98 × 41.59
  4. Step 4: Simplify right side
    58x = 3,326.37
  5. Step 5: Solve for x
    x = 3,326.37/58
  6. Step 6: Final answer
    x = 57.35

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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.