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Finding the Fourth Proportional to 33,075.92, 45,656.52 and 21,901.52

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Solution

The fourth proportional to 33,075.92, 45,656.52 and 21,901.52 is: 30,231.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,075.92 : 45,656.52 = 21,901.52 : x
  2. Step 2: Convert to fraction form
    33,075.92/45,656.52 = 21,901.52/x
  3. Step 3: Cross multiply
    33,075.92x = 45,656.52 × 21,901.52
  4. Step 4: Simplify right side
    33,075.92x = 999,947,185.91
  5. Step 5: Solve for x
    x = 999,947,185.91/33,075.92
  6. Step 6: Final answer
    x = 30,231.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.