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Finding the Fourth Proportional to 60,674.83, 91,053.24 and 21,232.28

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Solution

The fourth proportional to 60,674.83, 91,053.24 and 21,232.28 is: 31,862.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,674.83 : 91,053.24 = 21,232.28 : x
  2. Step 2: Convert to fraction form
    60,674.83/91,053.24 = 21,232.28/x
  3. Step 3: Cross multiply
    60,674.83x = 91,053.24 × 21,232.28
  4. Step 4: Simplify right side
    60,674.83x = 1,933,267,886.59
  5. Step 5: Solve for x
    x = 1,933,267,886.59/60,674.83
  6. Step 6: Final answer
    x = 31,862.77

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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.