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Finding the Fourth Proportional to 26,469.60, 39,646.80 and 16,063.20

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Solution

The fourth proportional to 26,469.60, 39,646.80 and 16,063.20 is: 24,059.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,469.60 : 39,646.80 = 16,063.20 : x
  2. Step 2: Convert to fraction form
    26,469.60/39,646.80 = 16,063.20/x
  3. Step 3: Cross multiply
    26,469.60x = 39,646.80 × 16,063.20
  4. Step 4: Simplify right side
    26,469.60x = 636,854,477.76
  5. Step 5: Solve for x
    x = 636,854,477.76/26,469.60
  6. Step 6: Final answer
    x = 24,059.85

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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.