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Finding the Fourth Proportional to 12,268.62, 16,929.81 and 7,552.98

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Solution

The fourth proportional to 12,268.62, 16,929.81 and 7,552.98 is: 10,422.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268.62 : 16,929.81 = 7,552.98 : x
  2. Step 2: Convert to fraction form
    12,268.62/16,929.81 = 7,552.98/x
  3. Step 3: Cross multiply
    12,268.62x = 16,929.81 × 7,552.98
  4. Step 4: Simplify right side
    12,268.62x = 127,870,516.33
  5. Step 5: Solve for x
    x = 127,870,516.33/12,268.62
  6. Step 6: Final answer
    x = 10,422.57

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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.