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Finding the Fourth Proportional to 30,392.28, 41,950.31 and 17,648.55

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Solution

The fourth proportional to 30,392.28, 41,950.31 and 17,648.55 is: 24,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,392.28 : 41,950.31 = 17,648.55 : x
  2. Step 2: Convert to fraction form
    30,392.28/41,950.31 = 17,648.55/x
  3. Step 3: Cross multiply
    30,392.28x = 41,950.31 × 17,648.55
  4. Step 4: Simplify right side
    30,392.28x = 740,362,055.31
  5. Step 5: Solve for x
    x = 740,362,055.31/30,392.28
  6. Step 6: Final answer
    x = 24,360.20

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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.