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Finding the Fourth Proportional to 24,369.79, 33,630.31 and 13,191.79

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Solution

The fourth proportional to 24,369.79, 33,630.31 and 13,191.79 is: 18,204.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,369.79 : 33,630.31 = 13,191.79 : x
  2. Step 2: Convert to fraction form
    24,369.79/33,630.31 = 13,191.79/x
  3. Step 3: Cross multiply
    24,369.79x = 33,630.31 × 13,191.79
  4. Step 4: Simplify right side
    24,369.79x = 443,643,810.76
  5. Step 5: Solve for x
    x = 443,643,810.76/24,369.79
  6. Step 6: Final answer
    x = 18,204.67

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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.