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Finding the Fourth Proportional to 16,435.56, 22,681.14 and 8,983.56

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Solution

The fourth proportional to 16,435.56, 22,681.14 and 8,983.56 is: 12,397.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,435.56 : 22,681.14 = 8,983.56 : x
  2. Step 2: Convert to fraction form
    16,435.56/22,681.14 = 8,983.56/x
  3. Step 3: Cross multiply
    16,435.56x = 22,681.14 × 8,983.56
  4. Step 4: Simplify right side
    16,435.56x = 203,757,382.06
  5. Step 5: Solve for x
    x = 203,757,382.06/16,435.56
  6. Step 6: Final answer
    x = 12,397.35

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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.