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Finding the Fourth Proportional to 35,393.72, 53,053.32 and 17,826.64

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Solution

The fourth proportional to 35,393.72, 53,053.32 and 17,826.64 is: 26,721.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,393.72 : 53,053.32 = 17,826.64 : x
  2. Step 2: Convert to fraction form
    35,393.72/53,053.32 = 17,826.64/x
  3. Step 3: Cross multiply
    35,393.72x = 53,053.32 × 17,826.64
  4. Step 4: Simplify right side
    35,393.72x = 945,762,436.44
  5. Step 5: Solve for x
    x = 945,762,436.44/35,393.72
  6. Step 6: Final answer
    x = 26,721.19

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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.