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Finding the Fourth Proportional to 30,101.52, 41,517.72 and 19,482.96

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Solution

The fourth proportional to 30,101.52, 41,517.72 and 19,482.96 is: 26,872.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,101.52 : 41,517.72 = 19,482.96 : x
  2. Step 2: Convert to fraction form
    30,101.52/41,517.72 = 19,482.96/x
  3. Step 3: Cross multiply
    30,101.52x = 41,517.72 × 19,482.96
  4. Step 4: Simplify right side
    30,101.52x = 808,888,078.05
  5. Step 5: Solve for x
    x = 808,888,078.05/30,101.52
  6. Step 6: Final answer
    x = 26,872.00

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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.