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Finding the Fourth Proportional to 8,757.86, 12,071.52 and 6,100.65

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Solution

The fourth proportional to 8,757.86, 12,071.52 and 6,100.65 is: 8,408.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757.86 : 12,071.52 = 6,100.65 : x
  2. Step 2: Convert to fraction form
    8,757.86/12,071.52 = 6,100.65/x
  3. Step 3: Cross multiply
    8,757.86x = 12,071.52 × 6,100.65
  4. Step 4: Simplify right side
    8,757.86x = 73,644,118.49
  5. Step 5: Solve for x
    x = 73,644,118.49/8,757.86
  6. Step 6: Final answer
    x = 8,408.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.