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Finding the Fourth Proportional to 12,898.25, 19,325.49 and 11,673.53

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Solution

The fourth proportional to 12,898.25, 19,325.49 and 11,673.53 is: 17,490.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898.25 : 19,325.49 = 11,673.53 : x
  2. Step 2: Convert to fraction form
    12,898.25/19,325.49 = 11,673.53/x
  3. Step 3: Cross multiply
    12,898.25x = 19,325.49 × 11,673.53
  4. Step 4: Simplify right side
    12,898.25x = 225,596,590.65
  5. Step 5: Solve for x
    x = 225,596,590.65/12,898.25
  6. Step 6: Final answer
    x = 17,490.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.