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Finding the Fourth Proportional to 8,500.24, 12,751.10 and 2,656.88

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Solution

The fourth proportional to 8,500.24, 12,751.10 and 2,656.88 is: 3,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500.24 : 12,751.10 = 2,656.88 : x
  2. Step 2: Convert to fraction form
    8,500.24/12,751.10 = 2,656.88/x
  3. Step 3: Cross multiply
    8,500.24x = 12,751.10 × 2,656.88
  4. Step 4: Simplify right side
    8,500.24x = 33,878,142.57
  5. Step 5: Solve for x
    x = 33,878,142.57/8,500.24
  6. Step 6: Final answer
    x = 3,985.55

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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.