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Finding the Fourth Proportional to 36,277.20, 50,059.08 and 20,358

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Solution

The fourth proportional to 36,277.20, 50,059.08 and 20,358 is: 28,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,277.20 : 50,059.08 = 20,358 : x
  2. Step 2: Convert to fraction form
    36,277.20/50,059.08 = 20,358/x
  3. Step 3: Cross multiply
    36,277.20x = 50,059.08 × 20,358
  4. Step 4: Simplify right side
    36,277.20x = 1,019,102,750.64
  5. Step 5: Solve for x
    x = 1,019,102,750.64/36,277.20
  6. Step 6: Final answer
    x = 28,092.10

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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.