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Finding the Fourth Proportional to 35,661.96, 49,216.32 and 19,747.89

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Solution

The fourth proportional to 35,661.96, 49,216.32 and 19,747.89 is: 27,253.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,661.96 : 49,216.32 = 19,747.89 : x
  2. Step 2: Convert to fraction form
    35,661.96/49,216.32 = 19,747.89/x
  3. Step 3: Cross multiply
    35,661.96x = 49,216.32 × 19,747.89
  4. Step 4: Simplify right side
    35,661.96x = 971,918,473.56
  5. Step 5: Solve for x
    x = 971,918,473.56/35,661.96
  6. Step 6: Final answer
    x = 27,253.65

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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.