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Finding the Fourth Proportional to 25,958, 35,822.44 and 15,348.64

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Solution

The fourth proportional to 25,958, 35,822.44 and 15,348.64 is: 21,181.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,958 : 35,822.44 = 15,348.64 : x
  2. Step 2: Convert to fraction form
    25,958/35,822.44 = 15,348.64/x
  3. Step 3: Cross multiply
    25,958x = 35,822.44 × 15,348.64
  4. Step 4: Simplify right side
    25,958x = 549,825,735.48
  5. Step 5: Solve for x
    x = 549,825,735.48/25,958
  6. Step 6: Final answer
    x = 21,181.36

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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.