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Finding the Fourth Proportional to 36,586.69, 50,489.63 and 19,819.69

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Solution

The fourth proportional to 36,586.69, 50,489.63 and 19,819.69 is: 27,351.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,586.69 : 50,489.63 = 19,819.69 : x
  2. Step 2: Convert to fraction form
    36,586.69/50,489.63 = 19,819.69/x
  3. Step 3: Cross multiply
    36,586.69x = 50,489.63 × 19,819.69
  4. Step 4: Simplify right side
    36,586.69x = 1,000,688,663.82
  5. Step 5: Solve for x
    x = 1,000,688,663.82/36,586.69
  6. Step 6: Final answer
    x = 27,351.17

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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.