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Finding the Fourth Proportional to 9,026.74, 12,469.53 and 8,553.84

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Solution

The fourth proportional to 9,026.74, 12,469.53 and 8,553.84 is: 11,816.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,026.74 : 12,469.53 = 8,553.84 : x
  2. Step 2: Convert to fraction form
    9,026.74/12,469.53 = 8,553.84/x
  3. Step 3: Cross multiply
    9,026.74x = 12,469.53 × 8,553.84
  4. Step 4: Simplify right side
    9,026.74x = 106,662,364.50
  5. Step 5: Solve for x
    x = 106,662,364.50/9,026.74
  6. Step 6: Final answer
    x = 11,816.27

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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.