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Finding the Fourth Proportional to 45,643.26, 62,980 and 25,500.30

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Solution

The fourth proportional to 45,643.26, 62,980 and 25,500.30 is: 35,186.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,643.26 : 62,980 = 25,500.30 : x
  2. Step 2: Convert to fraction form
    45,643.26/62,980 = 25,500.30/x
  3. Step 3: Cross multiply
    45,643.26x = 62,980 × 25,500.30
  4. Step 4: Simplify right side
    45,643.26x = 1,606,008,894
  5. Step 5: Solve for x
    x = 1,606,008,894/45,643.26
  6. Step 6: Final answer
    x = 35,186.11

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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.