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Finding the Fourth Proportional to 17,792.40, 26,681.40 and 6,099.60

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Solution

The fourth proportional to 17,792.40, 26,681.40 and 6,099.60 is: 9,146.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,792.40 : 26,681.40 = 6,099.60 : x
  2. Step 2: Convert to fraction form
    17,792.40/26,681.40 = 6,099.60/x
  3. Step 3: Cross multiply
    17,792.40x = 26,681.40 × 6,099.60
  4. Step 4: Simplify right side
    17,792.40x = 162,745,867.44
  5. Step 5: Solve for x
    x = 162,745,867.44/17,792.40
  6. Step 6: Final answer
    x = 9,146.93

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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.