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Finding the Fourth Proportional to 16,490.84, 24,739.34 and 6,630.88

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Solution

The fourth proportional to 16,490.84, 24,739.34 and 6,630.88 is: 9,947.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,490.84 : 24,739.34 = 6,630.88 : x
  2. Step 2: Convert to fraction form
    16,490.84/24,739.34 = 6,630.88/x
  3. Step 3: Cross multiply
    16,490.84x = 24,739.34 × 6,630.88
  4. Step 4: Simplify right side
    16,490.84x = 164,043,594.82
  5. Step 5: Solve for x
    x = 164,043,594.82/16,490.84
  6. Step 6: Final answer
    x = 9,947.56

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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.