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Finding the Fourth Proportional to 49,014, 73,404 and 28,193.76

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Solution

The fourth proportional to 49,014, 73,404 and 28,193.76 is: 42,223.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,014 : 73,404 = 28,193.76 : x
  2. Step 2: Convert to fraction form
    49,014/73,404 = 28,193.76/x
  3. Step 3: Cross multiply
    49,014x = 73,404 × 28,193.76
  4. Step 4: Simplify right side
    49,014x = 2,069,534,759.04
  5. Step 5: Solve for x
    x = 2,069,534,759.04/49,014
  6. Step 6: Final answer
    x = 42,223.34

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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.