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Finding the Fourth Proportional to 11,197.61, 16,798.84 and 3,406.22

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Solution

The fourth proportional to 11,197.61, 16,798.84 and 3,406.22 is: 5,110.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,197.61 : 16,798.84 = 3,406.22 : x
  2. Step 2: Convert to fraction form
    11,197.61/16,798.84 = 3,406.22/x
  3. Step 3: Cross multiply
    11,197.61x = 16,798.84 × 3,406.22
  4. Step 4: Simplify right side
    11,197.61x = 57,220,534.43
  5. Step 5: Solve for x
    x = 57,220,534.43/11,197.61
  6. Step 6: Final answer
    x = 5,110.07

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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.