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Finding the Fourth Proportional to 48.06, 72.01 and 26.35

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Solution

The fourth proportional to 48.06, 72.01 and 26.35 is: 39.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.06 : 72.01 = 26.35 : x
  2. Step 2: Convert to fraction form
    48.06/72.01 = 26.35/x
  3. Step 3: Cross multiply
    48.06x = 72.01 × 26.35
  4. Step 4: Simplify right side
    48.06x = 1,897.46
  5. Step 5: Solve for x
    x = 1,897.46/48.06
  6. Step 6: Final answer
    x = 39.48

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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.