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Finding the Fourth Proportional to 14,808.82, 22,221.98 and 5,455.41

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Solution

The fourth proportional to 14,808.82, 22,221.98 and 5,455.41 is: 8,186.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,808.82 : 22,221.98 = 5,455.41 : x
  2. Step 2: Convert to fraction form
    14,808.82/22,221.98 = 5,455.41/x
  3. Step 3: Cross multiply
    14,808.82x = 22,221.98 × 5,455.41
  4. Step 4: Simplify right side
    14,808.82x = 121,230,011.91
  5. Step 5: Solve for x
    x = 121,230,011.91/14,808.82
  6. Step 6: Final answer
    x = 8,186.34

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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.