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Finding the Fourth Proportional to 12,022.44, 16,595.04 and 7,245

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Solution

The fourth proportional to 12,022.44, 16,595.04 and 7,245 is: 10,000.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.44 : 16,595.04 = 7,245 : x
  2. Step 2: Convert to fraction form
    12,022.44/16,595.04 = 7,245/x
  3. Step 3: Cross multiply
    12,022.44x = 16,595.04 × 7,245
  4. Step 4: Simplify right side
    12,022.44x = 120,231,064.80
  5. Step 5: Solve for x
    x = 120,231,064.80/12,022.44
  6. Step 6: Final answer
    x = 10,000.55

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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.