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Finding the Fourth Proportional to 16,052.13, 22,152.96 and 8,979.08

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Solution

The fourth proportional to 16,052.13, 22,152.96 and 8,979.08 is: 12,391.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,052.13 : 22,152.96 = 8,979.08 : x
  2. Step 2: Convert to fraction form
    16,052.13/22,152.96 = 8,979.08/x
  3. Step 3: Cross multiply
    16,052.13x = 22,152.96 × 8,979.08
  4. Step 4: Simplify right side
    16,052.13x = 198,913,089.31
  5. Step 5: Solve for x
    x = 198,913,089.31/16,052.13
  6. Step 6: Final answer
    x = 12,391.69

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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.