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Finding the Fourth Proportional to 36,601.21, 50,509.64 and 19,834.21

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Solution

The fourth proportional to 36,601.21, 50,509.64 and 19,834.21 is: 27,371.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,601.21 : 50,509.64 = 19,834.21 : x
  2. Step 2: Convert to fraction form
    36,601.21/50,509.64 = 19,834.21/x
  3. Step 3: Cross multiply
    36,601.21x = 50,509.64 × 19,834.21
  4. Step 4: Simplify right side
    36,601.21x = 1,001,818,707.61
  5. Step 5: Solve for x
    x = 1,001,818,707.61/36,601.21
  6. Step 6: Final answer
    x = 27,371.19

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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.