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Finding the Fourth Proportional to 32,980, 45,519.68 and 25,795.68

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Solution

The fourth proportional to 32,980, 45,519.68 and 25,795.68 is: 35,603.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,980 : 45,519.68 = 25,795.68 : x
  2. Step 2: Convert to fraction form
    32,980/45,519.68 = 25,795.68/x
  3. Step 3: Cross multiply
    32,980x = 45,519.68 × 25,795.68
  4. Step 4: Simplify right side
    32,980x = 1,174,211,098.98
  5. Step 5: Solve for x
    x = 1,174,211,098.98/32,980
  6. Step 6: Final answer
    x = 35,603.73

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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.