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Finding the Fourth Proportional to 16,653.05, 22,980.93 and 9,099.21

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Solution

The fourth proportional to 16,653.05, 22,980.93 and 9,099.21 is: 12,556.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,653.05 : 22,980.93 = 9,099.21 : x
  2. Step 2: Convert to fraction form
    16,653.05/22,980.93 = 9,099.21/x
  3. Step 3: Cross multiply
    16,653.05x = 22,980.93 × 9,099.21
  4. Step 4: Simplify right side
    16,653.05x = 209,108,308.07
  5. Step 5: Solve for x
    x = 209,108,308.07/16,653.05
  6. Step 6: Final answer
    x = 12,556.76

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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.