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Finding the Fourth Proportional to 8,733.92, 13,100.89 and 2,160.01

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Solution

The fourth proportional to 8,733.92, 13,100.89 and 2,160.01 is: 3,240.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,733.92 : 13,100.89 = 2,160.01 : x
  2. Step 2: Convert to fraction form
    8,733.92/13,100.89 = 2,160.01/x
  3. Step 3: Cross multiply
    8,733.92x = 13,100.89 × 2,160.01
  4. Step 4: Simplify right side
    8,733.92x = 28,298,053.41
  5. Step 5: Solve for x
    x = 28,298,053.41/8,733.92
  6. Step 6: Final answer
    x = 3,240.02

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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.