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Finding the Fourth Proportional to 25.99, 39.03 and 14.60

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Solution

The fourth proportional to 25.99, 39.03 and 14.60 is: 21.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.99 : 39.03 = 14.60 : x
  2. Step 2: Convert to fraction form
    25.99/39.03 = 14.60/x
  3. Step 3: Cross multiply
    25.99x = 39.03 × 14.60
  4. Step 4: Simplify right side
    25.99x = 569.90
  5. Step 5: Solve for x
    x = 569.90/25.99
  6. Step 6: Final answer
    x = 21.93

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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.