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Finding the Fourth Proportional to 8,262.99, 12,366.69 and 7,580.16

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Solution

The fourth proportional to 8,262.99, 12,366.69 and 7,580.16 is: 11,344.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.99 : 12,366.69 = 7,580.16 : x
  2. Step 2: Convert to fraction form
    8,262.99/12,366.69 = 7,580.16/x
  3. Step 3: Cross multiply
    8,262.99x = 12,366.69 × 7,580.16
  4. Step 4: Simplify right side
    8,262.99x = 93,741,488.87
  5. Step 5: Solve for x
    x = 93,741,488.87/8,262.99
  6. Step 6: Final answer
    x = 11,344.74

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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.