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Finding the Fourth Proportional to 35,850.50, 53,775.75 and 15,074

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Solution

The fourth proportional to 35,850.50, 53,775.75 and 15,074 is: 22,611

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,850.50 : 53,775.75 = 15,074 : x
  2. Step 2: Convert to fraction form
    35,850.50/53,775.75 = 15,074/x
  3. Step 3: Cross multiply
    35,850.50x = 53,775.75 × 15,074
  4. Step 4: Simplify right side
    35,850.50x = 810,615,655.50
  5. Step 5: Solve for x
    x = 810,615,655.50/35,850.50
  6. Step 6: Final answer
    x = 22,611

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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.