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Finding the Fourth Proportional to 27,223.37, 40,780.37 and 12,411.91

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Solution

The fourth proportional to 27,223.37, 40,780.37 and 12,411.91 is: 18,592.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,223.37 : 40,780.37 = 12,411.91 : x
  2. Step 2: Convert to fraction form
    27,223.37/40,780.37 = 12,411.91/x
  3. Step 3: Cross multiply
    27,223.37x = 40,780.37 × 12,411.91
  4. Step 4: Simplify right side
    27,223.37x = 506,162,266.97
  5. Step 5: Solve for x
    x = 506,162,266.97/27,223.37
  6. Step 6: Final answer
    x = 18,592.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.