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Finding the Fourth Proportional to 35,189.72, 48,559.74 and 19,271

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Solution

The fourth proportional to 35,189.72, 48,559.74 and 19,271 is: 26,592.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,189.72 : 48,559.74 = 19,271 : x
  2. Step 2: Convert to fraction form
    35,189.72/48,559.74 = 19,271/x
  3. Step 3: Cross multiply
    35,189.72x = 48,559.74 × 19,271
  4. Step 4: Simplify right side
    35,189.72x = 935,794,749.54
  5. Step 5: Solve for x
    x = 935,794,749.54/35,189.72
  6. Step 6: Final answer
    x = 26,592.84

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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.