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Finding the Fourth Proportional to 58.59, 87.80 and 44.08

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Solution

The fourth proportional to 58.59, 87.80 and 44.08 is: 66.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.59 : 87.80 = 44.08 : x
  2. Step 2: Convert to fraction form
    58.59/87.80 = 44.08/x
  3. Step 3: Cross multiply
    58.59x = 87.80 × 44.08
  4. Step 4: Simplify right side
    58.59x = 3,870.22
  5. Step 5: Solve for x
    x = 3,870.22/58.59
  6. Step 6: Final answer
    x = 66.06

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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.