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Finding the Fourth Proportional to 8,828.92, 13,243.29 and 2,672.92

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Solution

The fourth proportional to 8,828.92, 13,243.29 and 2,672.92 is: 4,009.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.92 : 13,243.29 = 2,672.92 : x
  2. Step 2: Convert to fraction form
    8,828.92/13,243.29 = 2,672.92/x
  3. Step 3: Cross multiply
    8,828.92x = 13,243.29 × 2,672.92
  4. Step 4: Simplify right side
    8,828.92x = 35,398,254.71
  5. Step 5: Solve for x
    x = 35,398,254.71/8,828.92
  6. Step 6: Final answer
    x = 4,009.35

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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.