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Finding the Fourth Proportional to 40,653.98, 60,954.94 and 19,551.99

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Solution

The fourth proportional to 40,653.98, 60,954.94 and 19,551.99 is: 29,315.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,653.98 : 60,954.94 = 19,551.99 : x
  2. Step 2: Convert to fraction form
    40,653.98/60,954.94 = 19,551.99/x
  3. Step 3: Cross multiply
    40,653.98x = 60,954.94 × 19,551.99
  4. Step 4: Simplify right side
    40,653.98x = 1,191,790,357.83
  5. Step 5: Solve for x
    x = 1,191,790,357.83/40,653.98
  6. Step 6: Final answer
    x = 29,315.47

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Why These Related Problems?

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