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Finding the Fourth Proportional to 9,068.68, 12,527.39 and 8,625.31

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Solution

The fourth proportional to 9,068.68, 12,527.39 and 8,625.31 is: 11,914.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,068.68 : 12,527.39 = 8,625.31 : x
  2. Step 2: Convert to fraction form
    9,068.68/12,527.39 = 8,625.31/x
  3. Step 3: Cross multiply
    9,068.68x = 12,527.39 × 8,625.31
  4. Step 4: Simplify right side
    9,068.68x = 108,052,622.24
  5. Step 5: Solve for x
    x = 108,052,622.24/9,068.68
  6. Step 6: Final answer
    x = 11,914.92

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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.