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Finding the Fourth Proportional to 15,244.56, 22,869.56 and 5,389.56

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Solution

The fourth proportional to 15,244.56, 22,869.56 and 5,389.56 is: 8,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,244.56 : 22,869.56 = 5,389.56 : x
  2. Step 2: Convert to fraction form
    15,244.56/22,869.56 = 5,389.56/x
  3. Step 3: Cross multiply
    15,244.56x = 22,869.56 × 5,389.56
  4. Step 4: Simplify right side
    15,244.56x = 123,256,865.79
  5. Step 5: Solve for x
    x = 123,256,865.79/15,244.56
  6. Step 6: Final answer
    x = 8,085.30

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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.