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Finding the Fourth Proportional to 30,483.24, 42,081.25 and 22,932.45

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Solution

The fourth proportional to 30,483.24, 42,081.25 and 22,932.45 is: 31,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,483.24 : 42,081.25 = 22,932.45 : x
  2. Step 2: Convert to fraction form
    30,483.24/42,081.25 = 22,932.45/x
  3. Step 3: Cross multiply
    30,483.24x = 42,081.25 × 22,932.45
  4. Step 4: Simplify right side
    30,483.24x = 965,026,161.56
  5. Step 5: Solve for x
    x = 965,026,161.56/30,483.24
  6. Step 6: Final answer
    x = 31,657.60

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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.