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Finding the Fourth Proportional to 15,767.08, 23,642.94 and 8,375.08

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Solution

The fourth proportional to 15,767.08, 23,642.94 and 8,375.08 is: 12,558.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,767.08 : 23,642.94 = 8,375.08 : x
  2. Step 2: Convert to fraction form
    15,767.08/23,642.94 = 8,375.08/x
  3. Step 3: Cross multiply
    15,767.08x = 23,642.94 × 8,375.08
  4. Step 4: Simplify right side
    15,767.08x = 198,011,513.94
  5. Step 5: Solve for x
    x = 198,011,513.94/15,767.08
  6. Step 6: Final answer
    x = 12,558.54

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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.