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Finding the Fourth Proportional to 16,519.79, 22,797.32 and 8,966.12

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Solution

The fourth proportional to 16,519.79, 22,797.32 and 8,966.12 is: 12,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,519.79 : 22,797.32 = 8,966.12 : x
  2. Step 2: Convert to fraction form
    16,519.79/22,797.32 = 8,966.12/x
  3. Step 3: Cross multiply
    16,519.79x = 22,797.32 × 8,966.12
  4. Step 4: Simplify right side
    16,519.79x = 204,403,415.23
  5. Step 5: Solve for x
    x = 204,403,415.23/16,519.79
  6. Step 6: Final answer
    x = 12,373.25

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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.