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Finding the Fourth Proportional to 30,422.60, 45,569.10 and 25,238.60

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Solution

The fourth proportional to 30,422.60, 45,569.10 and 25,238.60 is: 37,804.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,422.60 : 45,569.10 = 25,238.60 : x
  2. Step 2: Convert to fraction form
    30,422.60/45,569.10 = 25,238.60/x
  3. Step 3: Cross multiply
    30,422.60x = 45,569.10 × 25,238.60
  4. Step 4: Simplify right side
    30,422.60x = 1,150,100,287.26
  5. Step 5: Solve for x
    x = 1,150,100,287.26/30,422.60
  6. Step 6: Final answer
    x = 37,804.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.