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Finding the Fourth Proportional to 9,859.52, 14,791.51 and 3,285.97

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Solution

The fourth proportional to 9,859.52, 14,791.51 and 3,285.97 is: 4,929.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,859.52 : 14,791.51 = 3,285.97 : x
  2. Step 2: Convert to fraction form
    9,859.52/14,791.51 = 3,285.97/x
  3. Step 3: Cross multiply
    9,859.52x = 14,791.51 × 3,285.97
  4. Step 4: Simplify right side
    9,859.52x = 48,604,425.24
  5. Step 5: Solve for x
    x = 48,604,425.24/9,859.52
  6. Step 6: Final answer
    x = 4,929.69

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1.5x scale

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.