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Finding the Fourth Proportional to 19,059.99, 28,599.74 and 9,076.04

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Solution

The fourth proportional to 19,059.99, 28,599.74 and 9,076.04 is: 13,618.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,059.99 : 28,599.74 = 9,076.04 : x
  2. Step 2: Convert to fraction form
    19,059.99/28,599.74 = 9,076.04/x
  3. Step 3: Cross multiply
    19,059.99x = 28,599.74 × 9,076.04
  4. Step 4: Simplify right side
    19,059.99x = 259,572,195.85
  5. Step 5: Solve for x
    x = 259,572,195.85/19,059.99
  6. Step 6: Final answer
    x = 13,618.70

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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.