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Finding the Fourth Proportional to 36,585.28, 50,487.78 and 19,818.28

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Solution

The fourth proportional to 36,585.28, 50,487.78 and 19,818.28 is: 27,349.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,585.28 : 50,487.78 = 19,818.28 : x
  2. Step 2: Convert to fraction form
    36,585.28/50,487.78 = 19,818.28/x
  3. Step 3: Cross multiply
    36,585.28x = 50,487.78 × 19,818.28
  4. Step 4: Simplify right side
    36,585.28x = 1,000,580,960.62
  5. Step 5: Solve for x
    x = 1,000,580,960.62/36,585.28
  6. Step 6: Final answer
    x = 27,349.28

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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.