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Finding the Fourth Proportional to 83.34, 115.00 and 46.49

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Solution

The fourth proportional to 83.34, 115.00 and 46.49 is: 64.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83.34 : 115.00 = 46.49 : x
  2. Step 2: Convert to fraction form
    83.34/115.00 = 46.49/x
  3. Step 3: Cross multiply
    83.34x = 115.00 × 46.49
  4. Step 4: Simplify right side
    83.34x = 5,346.71
  5. Step 5: Solve for x
    x = 5,346.71/83.34
  6. Step 6: Final answer
    x = 64.16

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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.