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Finding the Fourth Proportional to 45,405.98, 62,653.03 and 25,262.80

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Solution

The fourth proportional to 45,405.98, 62,653.03 and 25,262.80 is: 34,858.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,405.98 : 62,653.03 = 25,262.80 : x
  2. Step 2: Convert to fraction form
    45,405.98/62,653.03 = 25,262.80/x
  3. Step 3: Cross multiply
    45,405.98x = 62,653.03 × 25,262.80
  4. Step 4: Simplify right side
    45,405.98x = 1,582,790,746.49
  5. Step 5: Solve for x
    x = 1,582,790,746.49/45,405.98
  6. Step 6: Final answer
    x = 34,858.64

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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.