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Finding the Fourth Proportional to 58,865.45, 81,230.31 and 33,369.26

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Solution

The fourth proportional to 58,865.45, 81,230.31 and 33,369.26 is: 46,047.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,865.45 : 81,230.31 = 33,369.26 : x
  2. Step 2: Convert to fraction form
    58,865.45/81,230.31 = 33,369.26/x
  3. Step 3: Cross multiply
    58,865.45x = 81,230.31 × 33,369.26
  4. Step 4: Simplify right side
    58,865.45x = 2,710,594,928.12
  5. Step 5: Solve for x
    x = 2,710,594,928.12/58,865.45
  6. Step 6: Final answer
    x = 46,047.30

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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.