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Finding the Fourth Proportional to 35,908.76, 49,548.78 and 19,993.40

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Solution

The fourth proportional to 35,908.76, 49,548.78 and 19,993.40 is: 27,587.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,908.76 : 49,548.78 = 19,993.40 : x
  2. Step 2: Convert to fraction form
    35,908.76/49,548.78 = 19,993.40/x
  3. Step 3: Cross multiply
    35,908.76x = 49,548.78 × 19,993.40
  4. Step 4: Simplify right side
    35,908.76x = 990,648,578.05
  5. Step 5: Solve for x
    x = 990,648,578.05/35,908.76
  6. Step 6: Final answer
    x = 27,587.94

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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.