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Finding the Fourth Proportional to 35,579.49, 53,399.16 and 17,804.82

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Solution

The fourth proportional to 35,579.49, 53,399.16 and 17,804.82 is: 26,722.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,579.49 : 53,399.16 = 17,804.82 : x
  2. Step 2: Convert to fraction form
    35,579.49/53,399.16 = 17,804.82/x
  3. Step 3: Cross multiply
    35,579.49x = 53,399.16 × 17,804.82
  4. Step 4: Simplify right side
    35,579.49x = 950,762,431.95
  5. Step 5: Solve for x
    x = 950,762,431.95/35,579.49
  6. Step 6: Final answer
    x = 26,722.21

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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.