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Finding the Fourth Proportional to 60,674.87, 91,053.30 and 21,232.32

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Solution

The fourth proportional to 60,674.87, 91,053.30 and 21,232.32 is: 31,862.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,674.87 : 91,053.30 = 21,232.32 : x
  2. Step 2: Convert to fraction form
    60,674.87/91,053.30 = 21,232.32/x
  3. Step 3: Cross multiply
    60,674.87x = 91,053.30 × 21,232.32
  4. Step 4: Simplify right side
    60,674.87x = 1,933,272,802.66
  5. Step 5: Solve for x
    x = 1,933,272,802.66/60,674.87
  6. Step 6: Final answer
    x = 31,862.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.