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Finding the Fourth Proportional to 35,894.97, 49,535.07 and 19,979.08

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Solution

The fourth proportional to 35,894.97, 49,535.07 and 19,979.08 is: 27,571.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,894.97 : 49,535.07 = 19,979.08 : x
  2. Step 2: Convert to fraction form
    35,894.97/49,535.07 = 19,979.08/x
  3. Step 3: Cross multiply
    35,894.97x = 49,535.07 × 19,979.08
  4. Step 4: Simplify right side
    35,894.97x = 989,664,927.58
  5. Step 5: Solve for x
    x = 989,664,927.58/35,894.97
  6. Step 6: Final answer
    x = 27,571.13

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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.