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Finding the Fourth Proportional to 60,731.33, 83,809.36 and 33,873.15

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Solution

The fourth proportional to 60,731.33, 83,809.36 and 33,873.15 is: 46,745.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,731.33 : 83,809.36 = 33,873.15 : x
  2. Step 2: Convert to fraction form
    60,731.33/83,809.36 = 33,873.15/x
  3. Step 3: Cross multiply
    60,731.33x = 83,809.36 × 33,873.15
  4. Step 4: Simplify right side
    60,731.33x = 2,838,886,750.74
  5. Step 5: Solve for x
    x = 2,838,886,750.74/60,731.33
  6. Step 6: Final answer
    x = 46,745.01

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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.