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Finding the Fourth Proportional to 55,573.48, 83,359.26 and 18,637.48

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Solution

The fourth proportional to 55,573.48, 83,359.26 and 18,637.48 is: 27,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,573.48 : 83,359.26 = 18,637.48 : x
  2. Step 2: Convert to fraction form
    55,573.48/83,359.26 = 18,637.48/x
  3. Step 3: Cross multiply
    55,573.48x = 83,359.26 × 18,637.48
  4. Step 4: Simplify right side
    55,573.48x = 1,553,606,541.06
  5. Step 5: Solve for x
    x = 1,553,606,541.06/55,573.48
  6. Step 6: Final answer
    x = 27,955.90

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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.