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Finding the Fourth Proportional to 48.16, 72.14 and 24.07

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Solution

The fourth proportional to 48.16, 72.14 and 24.07 is: 36.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.16 : 72.14 = 24.07 : x
  2. Step 2: Convert to fraction form
    48.16/72.14 = 24.07/x
  3. Step 3: Cross multiply
    48.16x = 72.14 × 24.07
  4. Step 4: Simplify right side
    48.16x = 1,736.05
  5. Step 5: Solve for x
    x = 1,736.05/48.16
  6. Step 6: Final answer
    x = 36.05

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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.