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Finding the Fourth Proportional to 35,903.94, 49,546.29 and 19,987.59

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Solution

The fourth proportional to 35,903.94, 49,546.29 and 19,987.59 is: 27,582.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,903.94 : 49,546.29 = 19,987.59 : x
  2. Step 2: Convert to fraction form
    35,903.94/49,546.29 = 19,987.59/x
  3. Step 3: Cross multiply
    35,903.94x = 49,546.29 × 19,987.59
  4. Step 4: Simplify right side
    35,903.94x = 990,310,930.54
  5. Step 5: Solve for x
    x = 990,310,930.54/35,903.94
  6. Step 6: Final answer
    x = 27,582.24

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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.