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Finding the Fourth Proportional to 12,249.01, 16,903.91 and 6,660.01

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Solution

The fourth proportional to 12,249.01, 16,903.91 and 6,660.01 is: 9,190.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.01 : 16,903.91 = 6,660.01 : x
  2. Step 2: Convert to fraction form
    12,249.01/16,903.91 = 6,660.01/x
  3. Step 3: Cross multiply
    12,249.01x = 16,903.91 × 6,660.01
  4. Step 4: Simplify right side
    12,249.01x = 112,580,209.64
  5. Step 5: Solve for x
    x = 112,580,209.64/12,249.01
  6. Step 6: Final answer
    x = 9,190.96

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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.