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Finding the Fourth Proportional to 16,539.81, 22,825.08 and 8,986.15

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Solution

The fourth proportional to 16,539.81, 22,825.08 and 8,986.15 is: 12,400.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,539.81 : 22,825.08 = 8,986.15 : x
  2. Step 2: Convert to fraction form
    16,539.81/22,825.08 = 8,986.15/x
  3. Step 3: Cross multiply
    16,539.81x = 22,825.08 × 8,986.15
  4. Step 4: Simplify right side
    16,539.81x = 205,109,621.17
  5. Step 5: Solve for x
    x = 205,109,621.17/16,539.81
  6. Step 6: Final answer
    x = 12,400.97

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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.