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Finding the Fourth Proportional to 14,578.94, 21,868.27 and 6,679.22

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Solution

The fourth proportional to 14,578.94, 21,868.27 and 6,679.22 is: 10,018.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,578.94 : 21,868.27 = 6,679.22 : x
  2. Step 2: Convert to fraction form
    14,578.94/21,868.27 = 6,679.22/x
  3. Step 3: Cross multiply
    14,578.94x = 21,868.27 × 6,679.22
  4. Step 4: Simplify right side
    14,578.94x = 146,062,918.66
  5. Step 5: Solve for x
    x = 146,062,918.66/14,578.94
  6. Step 6: Final answer
    x = 10,018.76

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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.