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Finding the Fourth Proportional to 9,054.80, 12,504.16 and 8,563.92

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Solution

The fourth proportional to 9,054.80, 12,504.16 and 8,563.92 is: 11,826.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,054.80 : 12,504.16 = 8,563.92 : x
  2. Step 2: Convert to fraction form
    9,054.80/12,504.16 = 8,563.92/x
  3. Step 3: Cross multiply
    9,054.80x = 12,504.16 × 8,563.92
  4. Step 4: Simplify right side
    9,054.80x = 107,084,625.91
  5. Step 5: Solve for x
    x = 107,084,625.91/9,054.80
  6. Step 6: Final answer
    x = 11,826.28

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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.