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Finding the Fourth Proportional to 35,137.68, 52,717.36 and 14,077.68

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Solution

The fourth proportional to 35,137.68, 52,717.36 and 14,077.68 is: 21,120.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,137.68 : 52,717.36 = 14,077.68 : x
  2. Step 2: Convert to fraction form
    35,137.68/52,717.36 = 14,077.68/x
  3. Step 3: Cross multiply
    35,137.68x = 52,717.36 × 14,077.68
  4. Step 4: Simplify right side
    35,137.68x = 742,138,124.52
  5. Step 5: Solve for x
    x = 742,138,124.52/35,137.68
  6. Step 6: Final answer
    x = 21,120.86

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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.