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Finding the Fourth Proportional to 18,295.84, 27,440.89 and 5,814.22

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Solution

The fourth proportional to 18,295.84, 27,440.89 and 5,814.22 is: 8,720.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,295.84 : 27,440.89 = 5,814.22 : x
  2. Step 2: Convert to fraction form
    18,295.84/27,440.89 = 5,814.22/x
  3. Step 3: Cross multiply
    18,295.84x = 27,440.89 × 5,814.22
  4. Step 4: Simplify right side
    18,295.84x = 159,547,371.46
  5. Step 5: Solve for x
    x = 159,547,371.46/18,295.84
  6. Step 6: Final answer
    x = 8,720.42

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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.