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Finding the Fourth Proportional to 8,922.69, 13,384.44 and 3,080.16

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Solution

The fourth proportional to 8,922.69, 13,384.44 and 3,080.16 is: 4,620.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.69 : 13,384.44 = 3,080.16 : x
  2. Step 2: Convert to fraction form
    8,922.69/13,384.44 = 3,080.16/x
  3. Step 3: Cross multiply
    8,922.69x = 13,384.44 × 3,080.16
  4. Step 4: Simplify right side
    8,922.69x = 41,226,216.71
  5. Step 5: Solve for x
    x = 41,226,216.71/8,922.69
  6. Step 6: Final answer
    x = 4,620.38

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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.