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Finding the Fourth Proportional to 19,295.57, 26,613.59 and 13,624.43

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Solution

The fourth proportional to 19,295.57, 26,613.59 and 13,624.43 is: 18,791.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,295.57 : 26,613.59 = 13,624.43 : x
  2. Step 2: Convert to fraction form
    19,295.57/26,613.59 = 13,624.43/x
  3. Step 3: Cross multiply
    19,295.57x = 26,613.59 × 13,624.43
  4. Step 4: Simplify right side
    19,295.57x = 362,594,792.81
  5. Step 5: Solve for x
    x = 362,594,792.81/19,295.57
  6. Step 6: Final answer
    x = 18,791.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.