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Finding the Fourth Proportional to 16,618.14, 22,933.02 and 9,166.14

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Solution

The fourth proportional to 16,618.14, 22,933.02 and 9,166.14 is: 12,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,618.14 : 22,933.02 = 9,166.14 : x
  2. Step 2: Convert to fraction form
    16,618.14/22,933.02 = 9,166.14/x
  3. Step 3: Cross multiply
    16,618.14x = 22,933.02 × 9,166.14
  4. Step 4: Simplify right side
    16,618.14x = 210,207,271.94
  5. Step 5: Solve for x
    x = 210,207,271.94/16,618.14
  6. Step 6: Final answer
    x = 12,649.27

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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.