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Finding the Fourth Proportional to 58.59, 81 and 46.44

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Solution

The fourth proportional to 58.59, 81 and 46.44 is: 64.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.59 : 81 = 46.44 : x
  2. Step 2: Convert to fraction form
    58.59/81 = 46.44/x
  3. Step 3: Cross multiply
    58.59x = 81 × 46.44
  4. Step 4: Simplify right side
    58.59x = 3,761.64
  5. Step 5: Solve for x
    x = 3,761.64/58.59
  6. Step 6: Final answer
    x = 64.20

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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.