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Finding the Fourth Proportional to 39,755.40, 59,581.26 and 16,355.40

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Solution

The fourth proportional to 39,755.40, 59,581.26 and 16,355.40 is: 24,511.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,755.40 : 59,581.26 = 16,355.40 : x
  2. Step 2: Convert to fraction form
    39,755.40/59,581.26 = 16,355.40/x
  3. Step 3: Cross multiply
    39,755.40x = 59,581.26 × 16,355.40
  4. Step 4: Simplify right side
    39,755.40x = 974,475,339.80
  5. Step 5: Solve for x
    x = 974,475,339.80/39,755.40
  6. Step 6: Final answer
    x = 24,511.77

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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.