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Finding the Fourth Proportional to 18,274.67, 27,412.01 and 4,423.67

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Solution

The fourth proportional to 18,274.67, 27,412.01 and 4,423.67 is: 6,635.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274.67 : 27,412.01 = 4,423.67 : x
  2. Step 2: Convert to fraction form
    18,274.67/27,412.01 = 4,423.67/x
  3. Step 3: Cross multiply
    18,274.67x = 27,412.01 × 4,423.67
  4. Step 4: Simplify right side
    18,274.67x = 121,261,686.28
  5. Step 5: Solve for x
    x = 121,261,686.28/18,274.67
  6. Step 6: Final answer
    x = 6,635.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.