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Finding the Fourth Proportional to 22,433.29, 30,958.95 and 13,484.95

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Solution

The fourth proportional to 22,433.29, 30,958.95 and 13,484.95 is: 18,609.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,433.29 : 30,958.95 = 13,484.95 : x
  2. Step 2: Convert to fraction form
    22,433.29/30,958.95 = 13,484.95/x
  3. Step 3: Cross multiply
    22,433.29x = 30,958.95 × 13,484.95
  4. Step 4: Simplify right side
    22,433.29x = 417,479,892.80
  5. Step 5: Solve for x
    x = 417,479,892.80/22,433.29
  6. Step 6: Final answer
    x = 18,609.84

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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.