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Finding the Fourth Proportional to 16,998.60, 25,494.06 and 6,464.88

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Solution

The fourth proportional to 16,998.60, 25,494.06 and 6,464.88 is: 9,695.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,998.60 : 25,494.06 = 6,464.88 : x
  2. Step 2: Convert to fraction form
    16,998.60/25,494.06 = 6,464.88/x
  3. Step 3: Cross multiply
    16,998.60x = 25,494.06 × 6,464.88
  4. Step 4: Simplify right side
    16,998.60x = 164,816,038.61
  5. Step 5: Solve for x
    x = 164,816,038.61/16,998.60
  6. Step 6: Final answer
    x = 9,695.86

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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.