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Finding the Fourth Proportional to 18,295.94, 27,444.02 and 5,148.43

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Solution

The fourth proportional to 18,295.94, 27,444.02 and 5,148.43 is: 7,722.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,295.94 : 27,444.02 = 5,148.43 : x
  2. Step 2: Convert to fraction form
    18,295.94/27,444.02 = 5,148.43/x
  3. Step 3: Cross multiply
    18,295.94x = 27,444.02 × 5,148.43
  4. Step 4: Simplify right side
    18,295.94x = 141,293,521.54
  5. Step 5: Solve for x
    x = 141,293,521.54/18,295.94
  6. Step 6: Final answer
    x = 7,722.67

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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.