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Finding the Fourth Proportional to 16,051.51, 22,150.92 and 8,977.92

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Solution

The fourth proportional to 16,051.51, 22,150.92 and 8,977.92 is: 12,389.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,051.51 : 22,150.92 = 8,977.92 : x
  2. Step 2: Convert to fraction form
    16,051.51/22,150.92 = 8,977.92/x
  3. Step 3: Cross multiply
    16,051.51x = 22,150.92 × 8,977.92
  4. Step 4: Simplify right side
    16,051.51x = 198,869,187.69
  5. Step 5: Solve for x
    x = 198,869,187.69/16,051.51
  6. Step 6: Final answer
    x = 12,389.44

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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.