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Finding the Fourth Proportional to 18,295.13, 27,444.02 and 8,942.94

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Solution

The fourth proportional to 18,295.13, 27,444.02 and 8,942.94 is: 13,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,295.13 : 27,444.02 = 8,942.94 : x
  2. Step 2: Convert to fraction form
    18,295.13/27,444.02 = 8,942.94/x
  3. Step 3: Cross multiply
    18,295.13x = 27,444.02 × 8,942.94
  4. Step 4: Simplify right side
    18,295.13x = 245,430,179.50
  5. Step 5: Solve for x
    x = 245,430,179.50/18,295.13
  6. Step 6: Final answer
    x = 13,415.05

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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.