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Finding the Fourth Proportional to 57,837.63, 79,820.06 and 35,172.42

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Solution

The fourth proportional to 57,837.63, 79,820.06 and 35,172.42 is: 48,540.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,837.63 : 79,820.06 = 35,172.42 : x
  2. Step 2: Convert to fraction form
    57,837.63/79,820.06 = 35,172.42/x
  3. Step 3: Cross multiply
    57,837.63x = 79,820.06 × 35,172.42
  4. Step 4: Simplify right side
    57,837.63x = 2,807,464,674.75
  5. Step 5: Solve for x
    x = 2,807,464,674.75/57,837.63
  6. Step 6: Final answer
    x = 48,540.45

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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.