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Finding the Fourth Proportional to 27.19, 37.47 and 25.01

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Solution

The fourth proportional to 27.19, 37.47 and 25.01 is: 34.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.19 : 37.47 = 25.01 : x
  2. Step 2: Convert to fraction form
    27.19/37.47 = 25.01/x
  3. Step 3: Cross multiply
    27.19x = 37.47 × 25.01
  4. Step 4: Simplify right side
    27.19x = 937.03
  5. Step 5: Solve for x
    x = 937.03/27.19
  6. Step 6: Final answer
    x = 34.47

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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.