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Finding the Fourth Proportional to 16,051.58, 22,150.58 and 8,977.86

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Solution

The fourth proportional to 16,051.58, 22,150.58 and 8,977.86 is: 12,389.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,051.58 : 22,150.58 = 8,977.86 : x
  2. Step 2: Convert to fraction form
    16,051.58/22,150.58 = 8,977.86/x
  3. Step 3: Cross multiply
    16,051.58x = 22,150.58 × 8,977.86
  4. Step 4: Simplify right side
    16,051.58x = 198,864,806.16
  5. Step 5: Solve for x
    x = 198,864,806.16/16,051.58
  6. Step 6: Final answer
    x = 12,389.11

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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.