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Finding the Fourth Proportional to 35,809.71, 49,418.52 and 19,895.43

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Solution

The fourth proportional to 35,809.71, 49,418.52 and 19,895.43 is: 27,456.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,809.71 : 49,418.52 = 19,895.43 : x
  2. Step 2: Convert to fraction form
    35,809.71/49,418.52 = 19,895.43/x
  3. Step 3: Cross multiply
    35,809.71x = 49,418.52 × 19,895.43
  4. Step 4: Simplify right side
    35,809.71x = 983,202,705.36
  5. Step 5: Solve for x
    x = 983,202,705.36/35,809.71
  6. Step 6: Final answer
    x = 27,456.32

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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.