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Finding the Fourth Proportional to 35,374.56, 53,073.36 and 16,908

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Solution

The fourth proportional to 35,374.56, 53,073.36 and 16,908 is: 25,367.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,374.56 : 53,073.36 = 16,908 : x
  2. Step 2: Convert to fraction form
    35,374.56/53,073.36 = 16,908/x
  3. Step 3: Cross multiply
    35,374.56x = 53,073.36 × 16,908
  4. Step 4: Simplify right side
    35,374.56x = 897,364,370.88
  5. Step 5: Solve for x
    x = 897,364,370.88/35,374.56
  6. Step 6: Final answer
    x = 25,367.51

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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.