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Finding the Fourth Proportional to 35,596.39, 49,121.05 and 19,679.89

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Solution

The fourth proportional to 35,596.39, 49,121.05 and 19,679.89 is: 27,157.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,596.39 : 49,121.05 = 19,679.89 : x
  2. Step 2: Convert to fraction form
    35,596.39/49,121.05 = 19,679.89/x
  3. Step 3: Cross multiply
    35,596.39x = 49,121.05 × 19,679.89
  4. Step 4: Simplify right side
    35,596.39x = 966,696,860.68
  5. Step 5: Solve for x
    x = 966,696,860.68/35,596.39
  6. Step 6: Final answer
    x = 27,157.16

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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.