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Finding the Fourth Proportional to 39,728, 59,592.08 and 16,925.96

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Solution

The fourth proportional to 39,728, 59,592.08 and 16,925.96 is: 25,388.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,728 : 59,592.08 = 16,925.96 : x
  2. Step 2: Convert to fraction form
    39,728/59,592.08 = 16,925.96/x
  3. Step 3: Cross multiply
    39,728x = 59,592.08 × 16,925.96
  4. Step 4: Simplify right side
    39,728x = 1,008,653,162.40
  5. Step 5: Solve for x
    x = 1,008,653,162.40/39,728
  6. Step 6: Final answer
    x = 25,388.97

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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.