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Finding the Fourth Proportional to 35,801.36, 53,717.16 and 19,157

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Solution

The fourth proportional to 35,801.36, 53,717.16 and 19,157 is: 28,743.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,801.36 : 53,717.16 = 19,157 : x
  2. Step 2: Convert to fraction form
    35,801.36/53,717.16 = 19,157/x
  3. Step 3: Cross multiply
    35,801.36x = 53,717.16 × 19,157
  4. Step 4: Simplify right side
    35,801.36x = 1,029,059,634.12
  5. Step 5: Solve for x
    x = 1,029,059,634.12/35,801.36
  6. Step 6: Final answer
    x = 28,743.59

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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.