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Finding the Fourth Proportional to 26,068.50, 39,109.95 and 7,600.50

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Solution

The fourth proportional to 26,068.50, 39,109.95 and 7,600.50 is: 11,402.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,068.50 : 39,109.95 = 7,600.50 : x
  2. Step 2: Convert to fraction form
    26,068.50/39,109.95 = 7,600.50/x
  3. Step 3: Cross multiply
    26,068.50x = 39,109.95 × 7,600.50
  4. Step 4: Simplify right side
    26,068.50x = 297,255,174.98
  5. Step 5: Solve for x
    x = 297,255,174.98/26,068.50
  6. Step 6: Final answer
    x = 11,402.85

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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.