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Finding the Fourth Proportional to 35,491.68, 53,250.28 and 15,219.96

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Solution

The fourth proportional to 35,491.68, 53,250.28 and 15,219.96 is: 22,835.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,491.68 : 53,250.28 = 15,219.96 : x
  2. Step 2: Convert to fraction form
    35,491.68/53,250.28 = 15,219.96/x
  3. Step 3: Cross multiply
    35,491.68x = 53,250.28 × 15,219.96
  4. Step 4: Simplify right side
    35,491.68x = 810,467,131.59
  5. Step 5: Solve for x
    x = 810,467,131.59/35,491.68
  6. Step 6: Final answer
    x = 22,835.41

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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.