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Finding the Fourth Proportional to 8,363.92, 12,543.36 and 2,518.96

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Solution

The fourth proportional to 8,363.92, 12,543.36 and 2,518.96 is: 3,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.92 : 12,543.36 = 2,518.96 : x
  2. Step 2: Convert to fraction form
    8,363.92/12,543.36 = 2,518.96/x
  3. Step 3: Cross multiply
    8,363.92x = 12,543.36 × 2,518.96
  4. Step 4: Simplify right side
    8,363.92x = 31,596,222.11
  5. Step 5: Solve for x
    x = 31,596,222.11/8,363.92
  6. Step 6: Final answer
    x = 3,777.68

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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.