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Finding the Fourth Proportional to 26,750.61, 40,124.30 and 8,282.61

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Solution

The fourth proportional to 26,750.61, 40,124.30 and 8,282.61 is: 12,423.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,750.61 : 40,124.30 = 8,282.61 : x
  2. Step 2: Convert to fraction form
    26,750.61/40,124.30 = 8,282.61/x
  3. Step 3: Cross multiply
    26,750.61x = 40,124.30 × 8,282.61
  4. Step 4: Simplify right side
    26,750.61x = 332,333,887.01
  5. Step 5: Solve for x
    x = 332,333,887.01/26,750.61
  6. Step 6: Final answer
    x = 12,423.41

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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.