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Finding the Fourth Proportional to 56,517, 84,790.62 and 19,581

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Solution

The fourth proportional to 56,517, 84,790.62 and 19,581 is: 29,376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,517 : 84,790.62 = 19,581 : x
  2. Step 2: Convert to fraction form
    56,517/84,790.62 = 19,581/x
  3. Step 3: Cross multiply
    56,517x = 84,790.62 × 19,581
  4. Step 4: Simplify right side
    56,517x = 1,660,285,130.22
  5. Step 5: Solve for x
    x = 1,660,285,130.22/56,517
  6. Step 6: Final answer
    x = 29,376.74

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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.