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Finding the Fourth Proportional to 22,687.10, 34,030.65 and 8,827.10

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Solution

The fourth proportional to 22,687.10, 34,030.65 and 8,827.10 is: 13,240.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,687.10 : 34,030.65 = 8,827.10 : x
  2. Step 2: Convert to fraction form
    22,687.10/34,030.65 = 8,827.10/x
  3. Step 3: Cross multiply
    22,687.10x = 34,030.65 × 8,827.10
  4. Step 4: Simplify right side
    22,687.10x = 300,391,950.62
  5. Step 5: Solve for x
    x = 300,391,950.62/22,687.10
  6. Step 6: Final answer
    x = 13,240.65

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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.