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Finding the Fourth Proportional to 17,930.79, 24,745.02 and 9,973.52

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Solution

The fourth proportional to 17,930.79, 24,745.02 and 9,973.52 is: 13,763.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,930.79 : 24,745.02 = 9,973.52 : x
  2. Step 2: Convert to fraction form
    17,930.79/24,745.02 = 9,973.52/x
  3. Step 3: Cross multiply
    17,930.79x = 24,745.02 × 9,973.52
  4. Step 4: Simplify right side
    17,930.79x = 246,794,951.87
  5. Step 5: Solve for x
    x = 246,794,951.87/17,930.79
  6. Step 6: Final answer
    x = 13,763.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.