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Finding the Fourth Proportional to 46.82, 70.14 and 43.00

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Solution

The fourth proportional to 46.82, 70.14 and 43.00 is: 64.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.82 : 70.14 = 43.00 : x
  2. Step 2: Convert to fraction form
    46.82/70.14 = 43.00/x
  3. Step 3: Cross multiply
    46.82x = 70.14 × 43.00
  4. Step 4: Simplify right side
    46.82x = 3,016.01
  5. Step 5: Solve for x
    x = 3,016.01/46.82
  6. Step 6: Final answer
    x = 64.41

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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.