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Finding the Fourth Proportional to 16,625.70, 22,943.42 and 9,071.98

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Solution

The fourth proportional to 16,625.70, 22,943.42 and 9,071.98 is: 12,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,625.70 : 22,943.42 = 9,071.98 : x
  2. Step 2: Convert to fraction form
    16,625.70/22,943.42 = 9,071.98/x
  3. Step 3: Cross multiply
    16,625.70x = 22,943.42 × 9,071.98
  4. Step 4: Simplify right side
    16,625.70x = 208,142,144.65
  5. Step 5: Solve for x
    x = 208,142,144.65/16,625.70
  6. Step 6: Final answer
    x = 12,519.30

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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.