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Finding the Fourth Proportional to 16,117.92, 22,243.86 and 9,044.64

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Solution

The fourth proportional to 16,117.92, 22,243.86 and 9,044.64 is: 12,482.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,117.92 : 22,243.86 = 9,044.64 : x
  2. Step 2: Convert to fraction form
    16,117.92/22,243.86 = 9,044.64/x
  3. Step 3: Cross multiply
    16,117.92x = 22,243.86 × 9,044.64
  4. Step 4: Simplify right side
    16,117.92x = 201,187,705.91
  5. Step 5: Solve for x
    x = 201,187,705.91/16,117.92
  6. Step 6: Final answer
    x = 12,482.24

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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.