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Finding the Fourth Proportional to 8,168.76, 12,250.74 and 4,271.04

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Solution

The fourth proportional to 8,168.76, 12,250.74 and 4,271.04 is: 6,405.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.76 : 12,250.74 = 4,271.04 : x
  2. Step 2: Convert to fraction form
    8,168.76/12,250.74 = 4,271.04/x
  3. Step 3: Cross multiply
    8,168.76x = 12,250.74 × 4,271.04
  4. Step 4: Simplify right side
    8,168.76x = 52,323,400.57
  5. Step 5: Solve for x
    x = 52,323,400.57/8,168.76
  6. Step 6: Final answer
    x = 6,405.31

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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.