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Finding the Fourth Proportional to 17,038.52, 25,418.03 and 15,845.39

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Solution

The fourth proportional to 17,038.52, 25,418.03 and 15,845.39 is: 23,638.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,038.52 : 25,418.03 = 15,845.39 : x
  2. Step 2: Convert to fraction form
    17,038.52/25,418.03 = 15,845.39/x
  3. Step 3: Cross multiply
    17,038.52x = 25,418.03 × 15,845.39
  4. Step 4: Simplify right side
    17,038.52x = 402,758,392.06
  5. Step 5: Solve for x
    x = 402,758,392.06/17,038.52
  6. Step 6: Final answer
    x = 23,638.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.