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Finding the Fourth Proportional to 35,489.73, 53,242.47 and 15,502.44

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Solution

The fourth proportional to 35,489.73, 53,242.47 and 15,502.44 is: 23,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,489.73 : 53,242.47 = 15,502.44 : x
  2. Step 2: Convert to fraction form
    35,489.73/53,242.47 = 15,502.44/x
  3. Step 3: Cross multiply
    35,489.73x = 53,242.47 × 15,502.44
  4. Step 4: Simplify right side
    35,489.73x = 825,388,196.63
  5. Step 5: Solve for x
    x = 825,388,196.63/35,489.73
  6. Step 6: Final answer
    x = 23,257.10

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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.