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Finding the Fourth Proportional to 48.07, 72.08 and 26.41

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Solution

The fourth proportional to 48.07, 72.08 and 26.41 is: 39.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.07 : 72.08 = 26.41 : x
  2. Step 2: Convert to fraction form
    48.07/72.08 = 26.41/x
  3. Step 3: Cross multiply
    48.07x = 72.08 × 26.41
  4. Step 4: Simplify right side
    48.07x = 1,903.32
  5. Step 5: Solve for x
    x = 1,903.32/48.07
  6. Step 6: Final answer
    x = 39.60

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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.