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Finding the Fourth Proportional to 58.76, 80.99 and 46.46

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Solution

The fourth proportional to 58.76, 80.99 and 46.46 is: 64.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.76 : 80.99 = 46.46 : x
  2. Step 2: Convert to fraction form
    58.76/80.99 = 46.46/x
  3. Step 3: Cross multiply
    58.76x = 80.99 × 46.46
  4. Step 4: Simplify right side
    58.76x = 3,762.80
  5. Step 5: Solve for x
    x = 3,762.80/58.76
  6. Step 6: Final answer
    x = 64.04

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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.