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Finding the Fourth Proportional to 35,395.92, 53,101.44 and 12,022.56

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Solution

The fourth proportional to 35,395.92, 53,101.44 and 12,022.56 is: 18,036.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,395.92 : 53,101.44 = 12,022.56 : x
  2. Step 2: Convert to fraction form
    35,395.92/53,101.44 = 12,022.56/x
  3. Step 3: Cross multiply
    35,395.92x = 53,101.44 × 12,022.56
  4. Step 4: Simplify right side
    35,395.92x = 638,415,248.49
  5. Step 5: Solve for x
    x = 638,415,248.49/35,395.92
  6. Step 6: Final answer
    x = 18,036.41

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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.