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Finding the Fourth Proportional to 36,495.34, 50,363.61 and 21,384.99

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Solution

The fourth proportional to 36,495.34, 50,363.61 and 21,384.99 is: 29,511.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,495.34 : 50,363.61 = 21,384.99 : x
  2. Step 2: Convert to fraction form
    36,495.34/50,363.61 = 21,384.99/x
  3. Step 3: Cross multiply
    36,495.34x = 50,363.61 × 21,384.99
  4. Step 4: Simplify right side
    36,495.34x = 1,077,025,189.29
  5. Step 5: Solve for x
    x = 1,077,025,189.29/36,495.34
  6. Step 6: Final answer
    x = 29,511.31

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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.