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Finding the Fourth Proportional to 15,274.88, 22,917.51 and 8,603.31

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Solution

The fourth proportional to 15,274.88, 22,917.51 and 8,603.31 is: 12,907.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,274.88 : 22,917.51 = 8,603.31 : x
  2. Step 2: Convert to fraction form
    15,274.88/22,917.51 = 8,603.31/x
  3. Step 3: Cross multiply
    15,274.88x = 22,917.51 × 8,603.31
  4. Step 4: Simplify right side
    15,274.88x = 197,166,442.96
  5. Step 5: Solve for x
    x = 197,166,442.96/15,274.88
  6. Step 6: Final answer
    x = 12,907.89

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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.