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Finding the Fourth Proportional to 60,582.20, 90,887.67 and 19,029.20

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Solution

The fourth proportional to 60,582.20, 90,887.67 and 19,029.20 is: 28,548.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,582.20 : 90,887.67 = 19,029.20 : x
  2. Step 2: Convert to fraction form
    60,582.20/90,887.67 = 19,029.20/x
  3. Step 3: Cross multiply
    60,582.20x = 90,887.67 × 19,029.20
  4. Step 4: Simplify right side
    60,582.20x = 1,729,519,195.53
  5. Step 5: Solve for x
    x = 1,729,519,195.53/60,582.20
  6. Step 6: Final answer
    x = 28,548.31

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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.