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Finding the Fourth Proportional to 60,309.60, 83,224.08 and 33,450

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Solution

The fourth proportional to 60,309.60, 83,224.08 and 33,450 is: 46,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,309.60 : 83,224.08 = 33,450 : x
  2. Step 2: Convert to fraction form
    60,309.60/83,224.08 = 33,450/x
  3. Step 3: Cross multiply
    60,309.60x = 83,224.08 × 33,450
  4. Step 4: Simplify right side
    60,309.60x = 2,783,845,476
  5. Step 5: Solve for x
    x = 2,783,845,476/60,309.60
  6. Step 6: Final answer
    x = 46,159.24

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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.