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Finding the Fourth Proportional to 15,107.55, 22,642.15 and 8,537.41

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Solution

The fourth proportional to 15,107.55, 22,642.15 and 8,537.41 is: 12,795.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,107.55 : 22,642.15 = 8,537.41 : x
  2. Step 2: Convert to fraction form
    15,107.55/22,642.15 = 8,537.41/x
  3. Step 3: Cross multiply
    15,107.55x = 22,642.15 × 8,537.41
  4. Step 4: Simplify right side
    15,107.55x = 193,305,317.83
  5. Step 5: Solve for x
    x = 193,305,317.83/15,107.55
  6. Step 6: Final answer
    x = 12,795.28

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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.