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Finding the Fourth Proportional to 39,896.40, 59,797.89 and 25,646.70

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Solution

The fourth proportional to 39,896.40, 59,797.89 and 25,646.70 is: 38,440.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,896.40 : 59,797.89 = 25,646.70 : x
  2. Step 2: Convert to fraction form
    39,896.40/59,797.89 = 25,646.70/x
  3. Step 3: Cross multiply
    39,896.40x = 59,797.89 × 25,646.70
  4. Step 4: Simplify right side
    39,896.40x = 1,533,618,545.46
  5. Step 5: Solve for x
    x = 1,533,618,545.46/39,896.40
  6. Step 6: Final answer
    x = 38,440.02

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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.