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Finding the Fourth Proportional to 28,062.60, 42,087.82 and 8,341.32

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Solution

The fourth proportional to 28,062.60, 42,087.82 and 8,341.32 is: 12,510.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,062.60 : 42,087.82 = 8,341.32 : x
  2. Step 2: Convert to fraction form
    28,062.60/42,087.82 = 8,341.32/x
  3. Step 3: Cross multiply
    28,062.60x = 42,087.82 × 8,341.32
  4. Step 4: Simplify right side
    28,062.60x = 351,067,974.72
  5. Step 5: Solve for x
    x = 351,067,974.72/28,062.60
  6. Step 6: Final answer
    x = 12,510.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.