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Finding the Fourth Proportional to 48.83, 67.30 and 35.00

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Solution

The fourth proportional to 48.83, 67.30 and 35.00 is: 48.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.83 : 67.30 = 35.00 : x
  2. Step 2: Convert to fraction form
    48.83/67.30 = 35.00/x
  3. Step 3: Cross multiply
    48.83x = 67.30 × 35.00
  4. Step 4: Simplify right side
    48.83x = 2,355.08
  5. Step 5: Solve for x
    x = 2,355.08/48.83
  6. Step 6: Final answer
    x = 48.23

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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.