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Finding the Fourth Proportional to 21,973.31, 30,323.03 and 11,901.52

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Solution

The fourth proportional to 21,973.31, 30,323.03 and 11,901.52 is: 16,424.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.31 : 30,323.03 = 11,901.52 : x
  2. Step 2: Convert to fraction form
    21,973.31/30,323.03 = 11,901.52/x
  3. Step 3: Cross multiply
    21,973.31x = 30,323.03 × 11,901.52
  4. Step 4: Simplify right side
    21,973.31x = 360,890,148.01
  5. Step 5: Solve for x
    x = 360,890,148.01/21,973.31
  6. Step 6: Final answer
    x = 16,424.02

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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.