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Finding the Fourth Proportional to 55,802.87, 83,717.46 and 18,365.88

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Solution

The fourth proportional to 55,802.87, 83,717.46 and 18,365.88 is: 27,553.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,802.87 : 83,717.46 = 18,365.88 : x
  2. Step 2: Convert to fraction form
    55,802.87/83,717.46 = 18,365.88/x
  3. Step 3: Cross multiply
    55,802.87x = 83,717.46 × 18,365.88
  4. Step 4: Simplify right side
    55,802.87x = 1,537,544,824.26
  5. Step 5: Solve for x
    x = 1,537,544,824.26/55,802.87
  6. Step 6: Final answer
    x = 27,553.15

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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.