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Finding the Fourth Proportional to 16,993.94, 25,490.90 and 5,308.16

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Solution

The fourth proportional to 16,993.94, 25,490.90 and 5,308.16 is: 7,962.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,993.94 : 25,490.90 = 5,308.16 : x
  2. Step 2: Convert to fraction form
    16,993.94/25,490.90 = 5,308.16/x
  3. Step 3: Cross multiply
    16,993.94x = 25,490.90 × 5,308.16
  4. Step 4: Simplify right side
    16,993.94x = 135,309,775.74
  5. Step 5: Solve for x
    x = 135,309,775.74/16,993.94
  6. Step 6: Final answer
    x = 7,962.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.