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Finding the Fourth Proportional to 16,059.14, 22,160.72 and 8,986.02

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Solution

The fourth proportional to 16,059.14, 22,160.72 and 8,986.02 is: 12,400.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,059.14 : 22,160.72 = 8,986.02 : x
  2. Step 2: Convert to fraction form
    16,059.14/22,160.72 = 8,986.02/x
  3. Step 3: Cross multiply
    16,059.14x = 22,160.72 × 8,986.02
  4. Step 4: Simplify right side
    16,059.14x = 199,136,673.13
  5. Step 5: Solve for x
    x = 199,136,673.13/16,059.14
  6. Step 6: Final answer
    x = 12,400.21

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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.