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Finding the Fourth Proportional to 45,382.55, 62,621.03 and 25,239.60

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Solution

The fourth proportional to 45,382.55, 62,621.03 and 25,239.60 is: 34,826.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,382.55 : 62,621.03 = 25,239.60 : x
  2. Step 2: Convert to fraction form
    45,382.55/62,621.03 = 25,239.60/x
  3. Step 3: Cross multiply
    45,382.55x = 62,621.03 × 25,239.60
  4. Step 4: Simplify right side
    45,382.55x = 1,580,529,811.89
  5. Step 5: Solve for x
    x = 1,580,529,811.89/45,382.55
  6. Step 6: Final answer
    x = 34,826.82

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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.