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Finding the Fourth Proportional to 16,653.85, 22,981.33 and 9,098.68

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Solution

The fourth proportional to 16,653.85, 22,981.33 and 9,098.68 is: 12,555.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,653.85 : 22,981.33 = 9,098.68 : x
  2. Step 2: Convert to fraction form
    16,653.85/22,981.33 = 9,098.68/x
  3. Step 3: Cross multiply
    16,653.85x = 22,981.33 × 9,098.68
  4. Step 4: Simplify right side
    16,653.85x = 209,099,607.24
  5. Step 5: Solve for x
    x = 209,099,607.24/16,653.85
  6. Step 6: Final answer
    x = 12,555.64

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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.