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Finding the Fourth Proportional to 58.58, 88 and 51.96

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Solution

The fourth proportional to 58.58, 88 and 51.96 is: 78.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.58 : 88 = 51.96 : x
  2. Step 2: Convert to fraction form
    58.58/88 = 51.96/x
  3. Step 3: Cross multiply
    58.58x = 88 × 51.96
  4. Step 4: Simplify right side
    58.58x = 4,572.48
  5. Step 5: Solve for x
    x = 4,572.48/58.58
  6. Step 6: Final answer
    x = 78.06

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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.