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Finding the Fourth Proportional to 19,245.99, 28,869.80 and 6,098.07

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Solution

The fourth proportional to 19,245.99, 28,869.80 and 6,098.07 is: 9,147.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.99 : 28,869.80 = 6,098.07 : x
  2. Step 2: Convert to fraction form
    19,245.99/28,869.80 = 6,098.07/x
  3. Step 3: Cross multiply
    19,245.99x = 28,869.80 × 6,098.07
  4. Step 4: Simplify right side
    19,245.99x = 176,050,030.80
  5. Step 5: Solve for x
    x = 176,050,030.80/19,245.99
  6. Step 6: Final answer
    x = 9,147.36

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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.