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Finding the Fourth Proportional to 60,285.32, 83,186 and 33,427.56

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Solution

The fourth proportional to 60,285.32, 83,186 and 33,427.56 is: 46,125.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,285.32 : 83,186 = 33,427.56 : x
  2. Step 2: Convert to fraction form
    60,285.32/83,186 = 33,427.56/x
  3. Step 3: Cross multiply
    60,285.32x = 83,186 × 33,427.56
  4. Step 4: Simplify right side
    60,285.32x = 2,780,705,006.16
  5. Step 5: Solve for x
    x = 2,780,705,006.16/60,285.32
  6. Step 6: Final answer
    x = 46,125.74

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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.