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Finding the Fourth Proportional to 19,203.28, 28,795.08 and 8,806

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Solution

The fourth proportional to 19,203.28, 28,795.08 and 8,806 is: 13,204.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,203.28 : 28,795.08 = 8,806 : x
  2. Step 2: Convert to fraction form
    19,203.28/28,795.08 = 8,806/x
  3. Step 3: Cross multiply
    19,203.28x = 28,795.08 × 8,806
  4. Step 4: Simplify right side
    19,203.28x = 253,569,474.48
  5. Step 5: Solve for x
    x = 253,569,474.48/19,203.28
  6. Step 6: Final answer
    x = 13,204.49

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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.