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Finding the Fourth Proportional to 55,802.40, 83,694.33 and 18,362.94

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Solution

The fourth proportional to 55,802.40, 83,694.33 and 18,362.94 is: 27,541.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,802.40 : 83,694.33 = 18,362.94 : x
  2. Step 2: Convert to fraction form
    55,802.40/83,694.33 = 18,362.94/x
  3. Step 3: Cross multiply
    55,802.40x = 83,694.33 × 18,362.94
  4. Step 4: Simplify right side
    55,802.40x = 1,536,873,960.13
  5. Step 5: Solve for x
    x = 1,536,873,960.13/55,802.40
  6. Step 6: Final answer
    x = 27,541.36

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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.