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Finding the Fourth Proportional to 35,594.74, 49,119.78 and 19,679.86

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Solution

The fourth proportional to 35,594.74, 49,119.78 and 19,679.86 is: 27,157.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,594.74 : 49,119.78 = 19,679.86 : x
  2. Step 2: Convert to fraction form
    35,594.74/49,119.78 = 19,679.86/x
  3. Step 3: Cross multiply
    35,594.74x = 49,119.78 × 19,679.86
  4. Step 4: Simplify right side
    35,594.74x = 966,670,393.63
  5. Step 5: Solve for x
    x = 966,670,393.63/35,594.74
  6. Step 6: Final answer
    x = 27,157.68

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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.