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Finding the Fourth Proportional to 60,731.70, 83,809.88 and 33,873.52

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Solution

The fourth proportional to 60,731.70, 83,809.88 and 33,873.52 is: 46,745.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,731.70 : 83,809.88 = 33,873.52 : x
  2. Step 2: Convert to fraction form
    60,731.70/83,809.88 = 33,873.52/x
  3. Step 3: Cross multiply
    60,731.70x = 83,809.88 × 33,873.52
  4. Step 4: Simplify right side
    60,731.70x = 2,838,935,646.38
  5. Step 5: Solve for x
    x = 2,838,935,646.38/60,731.70
  6. Step 6: Final answer
    x = 46,745.53

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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.