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Finding the Fourth Proportional to 12,268.71, 16,935.71 and 7,794.95

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Solution

The fourth proportional to 12,268.71, 16,935.71 and 7,794.95 is: 10,760.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268.71 : 16,935.71 = 7,794.95 : x
  2. Step 2: Convert to fraction form
    12,268.71/16,935.71 = 7,794.95/x
  3. Step 3: Cross multiply
    12,268.71x = 16,935.71 × 7,794.95
  4. Step 4: Simplify right side
    12,268.71x = 132,012,889.01
  5. Step 5: Solve for x
    x = 132,012,889.01/12,268.71
  6. Step 6: Final answer
    x = 10,760.13

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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.