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Finding the Fourth Proportional to 74,298, 111,464.28 and 25,050

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Solution

The fourth proportional to 74,298, 111,464.28 and 25,050 is: 37,580.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,298 : 111,464.28 = 25,050 : x
  2. Step 2: Convert to fraction form
    74,298/111,464.28 = 25,050/x
  3. Step 3: Cross multiply
    74,298x = 111,464.28 × 25,050
  4. Step 4: Simplify right side
    74,298x = 2,792,180,214
  5. Step 5: Solve for x
    x = 2,792,180,214/74,298
  6. Step 6: Final answer
    x = 37,580.83

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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.