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Finding the Fourth Proportional to 39,599.28, 59,420.79 and 16,220.25

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Solution

The fourth proportional to 39,599.28, 59,420.79 and 16,220.25 is: 24,339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,599.28 : 59,420.79 = 16,220.25 : x
  2. Step 2: Convert to fraction form
    39,599.28/59,420.79 = 16,220.25/x
  3. Step 3: Cross multiply
    39,599.28x = 59,420.79 × 16,220.25
  4. Step 4: Simplify right side
    39,599.28x = 963,820,069.00
  5. Step 5: Solve for x
    x = 963,820,069.00/39,599.28
  6. Step 6: Final answer
    x = 24,339.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.