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Finding the Fourth Proportional to 22,699.89, 34,042.90 and 18,246.99

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Solution

The fourth proportional to 22,699.89, 34,042.90 and 18,246.99 is: 27,364.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,699.89 : 34,042.90 = 18,246.99 : x
  2. Step 2: Convert to fraction form
    22,699.89/34,042.90 = 18,246.99/x
  3. Step 3: Cross multiply
    22,699.89x = 34,042.90 × 18,246.99
  4. Step 4: Simplify right side
    22,699.89x = 621,180,455.87
  5. Step 5: Solve for x
    x = 621,180,455.87/22,699.89
  6. Step 6: Final answer
    x = 27,364.91

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1.5x scale

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.