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Finding the Fourth Proportional to 12,074.00, 16,661.16 and 7,292.97

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Solution

The fourth proportional to 12,074.00, 16,661.16 and 7,292.97 is: 10,063.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074.00 : 16,661.16 = 7,292.97 : x
  2. Step 2: Convert to fraction form
    12,074.00/16,661.16 = 7,292.97/x
  3. Step 3: Cross multiply
    12,074.00x = 16,661.16 × 7,292.97
  4. Step 4: Simplify right side
    12,074.00x = 121,509,340.05
  5. Step 5: Solve for x
    x = 121,509,340.05/12,074.00
  6. Step 6: Final answer
    x = 10,063.72

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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.