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Finding the Fourth Proportional to 12,797.84, 17,662.46 and 7,133.11

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Solution

The fourth proportional to 12,797.84, 17,662.46 and 7,133.11 is: 9,844.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797.84 : 17,662.46 = 7,133.11 : x
  2. Step 2: Convert to fraction form
    12,797.84/17,662.46 = 7,133.11/x
  3. Step 3: Cross multiply
    12,797.84x = 17,662.46 × 7,133.11
  4. Step 4: Simplify right side
    12,797.84x = 125,988,216.98
  5. Step 5: Solve for x
    x = 125,988,216.98/12,797.84
  6. Step 6: Final answer
    x = 9,844.49

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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.