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Finding the Fourth Proportional to 25,954.66, 38,923.89 and 17,069.50

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Solution

The fourth proportional to 25,954.66, 38,923.89 and 17,069.50 is: 25,598.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,954.66 : 38,923.89 = 17,069.50 : x
  2. Step 2: Convert to fraction form
    25,954.66/38,923.89 = 17,069.50/x
  3. Step 3: Cross multiply
    25,954.66x = 38,923.89 × 17,069.50
  4. Step 4: Simplify right side
    25,954.66x = 664,411,340.36
  5. Step 5: Solve for x
    x = 664,411,340.36/25,954.66
  6. Step 6: Final answer
    x = 25,598.92

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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.