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Finding the Fourth Proportional to 16,622.68, 22,939.32 and 9,068.98

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Solution

The fourth proportional to 16,622.68, 22,939.32 and 9,068.98 is: 12,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,622.68 : 22,939.32 = 9,068.98 : x
  2. Step 2: Convert to fraction form
    16,622.68/22,939.32 = 9,068.98/x
  3. Step 3: Cross multiply
    16,622.68x = 22,939.32 × 9,068.98
  4. Step 4: Simplify right side
    16,622.68x = 208,036,234.29
  5. Step 5: Solve for x
    x = 208,036,234.29/16,622.68
  6. Step 6: Final answer
    x = 12,515.20

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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.