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Finding the Fourth Proportional to 9,998.52, 14,992.75 and 3,332.66

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Solution

The fourth proportional to 9,998.52, 14,992.75 and 3,332.66 is: 4,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.52 : 14,992.75 = 3,332.66 : x
  2. Step 2: Convert to fraction form
    9,998.52/14,992.75 = 3,332.66/x
  3. Step 3: Cross multiply
    9,998.52x = 14,992.75 × 3,332.66
  4. Step 4: Simplify right side
    9,998.52x = 49,965,648.67
  5. Step 5: Solve for x
    x = 49,965,648.67/9,998.52
  6. Step 6: Final answer
    x = 4,997.30

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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.