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Finding the Fourth Proportional to 58,203.36, 80,316.36 and 33,048

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Solution

The fourth proportional to 58,203.36, 80,316.36 and 33,048 is: 45,603.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,203.36 : 80,316.36 = 33,048 : x
  2. Step 2: Convert to fraction form
    58,203.36/80,316.36 = 33,048/x
  3. Step 3: Cross multiply
    58,203.36x = 80,316.36 × 33,048
  4. Step 4: Simplify right side
    58,203.36x = 2,654,295,065.28
  5. Step 5: Solve for x
    x = 2,654,295,065.28/58,203.36
  6. Step 6: Final answer
    x = 45,603.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.