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Finding the Fourth Proportional to 58,657.88, 80,858.30 and 35,954.79

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Solution

The fourth proportional to 58,657.88, 80,858.30 and 35,954.79 is: 49,562.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,657.88 : 80,858.30 = 35,954.79 : x
  2. Step 2: Convert to fraction form
    58,657.88/80,858.30 = 35,954.79/x
  3. Step 3: Cross multiply
    58,657.88x = 80,858.30 × 35,954.79
  4. Step 4: Simplify right side
    58,657.88x = 2,907,243,016.48
  5. Step 5: Solve for x
    x = 2,907,243,016.48/58,657.88
  6. Step 6: Final answer
    x = 49,562.71

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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.