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Finding the Fourth Proportional to 9,074.81, 13,600.27 and 8,482.91

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Solution

The fourth proportional to 9,074.81, 13,600.27 and 8,482.91 is: 12,713.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,074.81 : 13,600.27 = 8,482.91 : x
  2. Step 2: Convert to fraction form
    9,074.81/13,600.27 = 8,482.91/x
  3. Step 3: Cross multiply
    9,074.81x = 13,600.27 × 8,482.91
  4. Step 4: Simplify right side
    9,074.81x = 115,369,755.97
  5. Step 5: Solve for x
    x = 115,369,755.97/9,074.81
  6. Step 6: Final answer
    x = 12,713.19

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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.