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Finding the Fourth Proportional to 25.07, 37.51 and 14.87

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Solution

The fourth proportional to 25.07, 37.51 and 14.87 is: 22.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.07 : 37.51 = 14.87 : x
  2. Step 2: Convert to fraction form
    25.07/37.51 = 14.87/x
  3. Step 3: Cross multiply
    25.07x = 37.51 × 14.87
  4. Step 4: Simplify right side
    25.07x = 557.83
  5. Step 5: Solve for x
    x = 557.83/25.07
  6. Step 6: Final answer
    x = 22.25

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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.