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Finding the Fourth Proportional to 26,491.50, 39,737.34 and 8,023.50

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Solution

The fourth proportional to 26,491.50, 39,737.34 and 8,023.50 is: 12,035.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,491.50 : 39,737.34 = 8,023.50 : x
  2. Step 2: Convert to fraction form
    26,491.50/39,737.34 = 8,023.50/x
  3. Step 3: Cross multiply
    26,491.50x = 39,737.34 × 8,023.50
  4. Step 4: Simplify right side
    26,491.50x = 318,832,547.49
  5. Step 5: Solve for x
    x = 318,832,547.49/26,491.50
  6. Step 6: Final answer
    x = 12,035.28

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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.