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Finding the Fourth Proportional to 35,759.30, 49,347.94 and 19,843.78

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Solution

The fourth proportional to 35,759.30, 49,347.94 and 19,843.78 is: 27,384.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,759.30 : 49,347.94 = 19,843.78 : x
  2. Step 2: Convert to fraction form
    35,759.30/49,347.94 = 19,843.78/x
  3. Step 3: Cross multiply
    35,759.30x = 49,347.94 × 19,843.78
  4. Step 4: Simplify right side
    35,759.30x = 979,249,664.81
  5. Step 5: Solve for x
    x = 979,249,664.81/35,759.30
  6. Step 6: Final answer
    x = 27,384.48

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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.