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Finding the Fourth Proportional to 39,894.40, 59,794.89 and 25,644.70

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Solution

The fourth proportional to 39,894.40, 59,794.89 and 25,644.70 is: 38,437.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,894.40 : 59,794.89 = 25,644.70 : x
  2. Step 2: Convert to fraction form
    39,894.40/59,794.89 = 25,644.70/x
  3. Step 3: Cross multiply
    39,894.40x = 59,794.89 × 25,644.70
  4. Step 4: Simplify right side
    39,894.40x = 1,533,422,015.58
  5. Step 5: Solve for x
    x = 1,533,422,015.58/39,894.40
  6. Step 6: Final answer
    x = 38,437.02

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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.