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Finding the Fourth Proportional to 22,245.68, 30,699.02 and 12,174.11

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Solution

The fourth proportional to 22,245.68, 30,699.02 and 12,174.11 is: 16,800.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,245.68 : 30,699.02 = 12,174.11 : x
  2. Step 2: Convert to fraction form
    22,245.68/30,699.02 = 12,174.11/x
  3. Step 3: Cross multiply
    22,245.68x = 30,699.02 × 12,174.11
  4. Step 4: Simplify right side
    22,245.68x = 373,733,246.37
  5. Step 5: Solve for x
    x = 373,733,246.37/22,245.68
  6. Step 6: Final answer
    x = 16,800.26

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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.