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Finding the Fourth Proportional to 35,891.91, 49,529.56 and 19,976.01

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Solution

The fourth proportional to 35,891.91, 49,529.56 and 19,976.01 is: 27,566.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,891.91 : 49,529.56 = 19,976.01 : x
  2. Step 2: Convert to fraction form
    35,891.91/49,529.56 = 19,976.01/x
  3. Step 3: Cross multiply
    35,891.91x = 49,529.56 × 19,976.01
  4. Step 4: Simplify right side
    35,891.91x = 989,402,885.98
  5. Step 5: Solve for x
    x = 989,402,885.98/35,891.91
  6. Step 6: Final answer
    x = 27,566.18

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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.