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Finding the Fourth Proportional to 8,999.57, 13,501.29 and 2,760.01

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Solution

The fourth proportional to 8,999.57, 13,501.29 and 2,760.01 is: 4,140.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.57 : 13,501.29 = 2,760.01 : x
  2. Step 2: Convert to fraction form
    8,999.57/13,501.29 = 2,760.01/x
  3. Step 3: Cross multiply
    8,999.57x = 13,501.29 × 2,760.01
  4. Step 4: Simplify right side
    8,999.57x = 37,263,695.41
  5. Step 5: Solve for x
    x = 37,263,695.41/8,999.57
  6. Step 6: Final answer
    x = 4,140.61

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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.