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Finding the Fourth Proportional to 14,395.80, 21,599.97 and 5,042.54

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Solution

The fourth proportional to 14,395.80, 21,599.97 and 5,042.54 is: 7,566.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395.80 : 21,599.97 = 5,042.54 : x
  2. Step 2: Convert to fraction form
    14,395.80/21,599.97 = 5,042.54/x
  3. Step 3: Cross multiply
    14,395.80x = 21,599.97 × 5,042.54
  4. Step 4: Simplify right side
    14,395.80x = 108,918,604.72
  5. Step 5: Solve for x
    x = 108,918,604.72/14,395.80
  6. Step 6: Final answer
    x = 7,566.00

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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.