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Finding the Fourth Proportional to 22,459.68, 30,994.02 and 12,250.62

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Solution

The fourth proportional to 22,459.68, 30,994.02 and 12,250.62 is: 16,905.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,459.68 : 30,994.02 = 12,250.62 : x
  2. Step 2: Convert to fraction form
    22,459.68/30,994.02 = 12,250.62/x
  3. Step 3: Cross multiply
    22,459.68x = 30,994.02 × 12,250.62
  4. Step 4: Simplify right side
    22,459.68x = 379,695,961.29
  5. Step 5: Solve for x
    x = 379,695,961.29/22,459.68
  6. Step 6: Final answer
    x = 16,905.67

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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.