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Finding the Fourth Proportional to 35,509.81, 49,003.11 and 19,593.91

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Solution

The fourth proportional to 35,509.81, 49,003.11 and 19,593.91 is: 27,039.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,509.81 : 49,003.11 = 19,593.91 : x
  2. Step 2: Convert to fraction form
    35,509.81/49,003.11 = 19,593.91/x
  3. Step 3: Cross multiply
    35,509.81x = 49,003.11 × 19,593.91
  4. Step 4: Simplify right side
    35,509.81x = 960,162,527.06
  5. Step 5: Solve for x
    x = 960,162,527.06/35,509.81
  6. Step 6: Final answer
    x = 27,039.36

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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.