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Finding the Fourth Proportional to 9,208.48, 12,625.09 and 9,042.56

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Solution

The fourth proportional to 9,208.48, 12,625.09 and 9,042.56 is: 12,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,208.48 : 12,625.09 = 9,042.56 : x
  2. Step 2: Convert to fraction form
    9,208.48/12,625.09 = 9,042.56/x
  3. Step 3: Cross multiply
    9,208.48x = 12,625.09 × 9,042.56
  4. Step 4: Simplify right side
    9,208.48x = 114,163,133.83
  5. Step 5: Solve for x
    x = 114,163,133.83/9,208.48
  6. Step 6: Final answer
    x = 12,397.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.