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Finding the Fourth Proportional to 35,493.74, 53,273.40 and 17,975.87

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Solution

The fourth proportional to 35,493.74, 53,273.40 and 17,975.87 is: 26,980.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,493.74 : 53,273.40 = 17,975.87 : x
  2. Step 2: Convert to fraction form
    35,493.74/53,273.40 = 17,975.87/x
  3. Step 3: Cross multiply
    35,493.74x = 53,273.40 × 17,975.87
  4. Step 4: Simplify right side
    35,493.74x = 957,635,446.49
  5. Step 5: Solve for x
    x = 957,635,446.49/35,493.74
  6. Step 6: Final answer
    x = 26,980.41

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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.