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Finding the Fourth Proportional to 36,359.70, 50,159.53 and 21,253

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Solution

The fourth proportional to 36,359.70, 50,159.53 and 21,253 is: 29,319.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,359.70 : 50,159.53 = 21,253 : x
  2. Step 2: Convert to fraction form
    36,359.70/50,159.53 = 21,253/x
  3. Step 3: Cross multiply
    36,359.70x = 50,159.53 × 21,253
  4. Step 4: Simplify right side
    36,359.70x = 1,066,040,491.09
  5. Step 5: Solve for x
    x = 1,066,040,491.09/36,359.70
  6. Step 6: Final answer
    x = 29,319.29

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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.