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Finding the Fourth Proportional to 45,802.99, 68,693.43 and 19,134.57

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Solution

The fourth proportional to 45,802.99, 68,693.43 and 19,134.57 is: 28,697.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,802.99 : 68,693.43 = 19,134.57 : x
  2. Step 2: Convert to fraction form
    45,802.99/68,693.43 = 19,134.57/x
  3. Step 3: Cross multiply
    45,802.99x = 68,693.43 × 19,134.57
  4. Step 4: Simplify right side
    45,802.99x = 1,314,419,244.88
  5. Step 5: Solve for x
    x = 1,314,419,244.88/45,802.99
  6. Step 6: Final answer
    x = 28,697.24

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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.