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Finding the Fourth Proportional to 55,260.50, 82,845.99 and 17,290.19

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Solution

The fourth proportional to 55,260.50, 82,845.99 and 17,290.19 is: 25,921.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,260.50 : 82,845.99 = 17,290.19 : x
  2. Step 2: Convert to fraction form
    55,260.50/82,845.99 = 17,290.19/x
  3. Step 3: Cross multiply
    55,260.50x = 82,845.99 × 17,290.19
  4. Step 4: Simplify right side
    55,260.50x = 1,432,423,114.95
  5. Step 5: Solve for x
    x = 1,432,423,114.95/55,260.50
  6. Step 6: Final answer
    x = 25,921.29

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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.