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Finding the Fourth Proportional to 15,804.36, 23,706.54 and 6,928.38

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Solution

The fourth proportional to 15,804.36, 23,706.54 and 6,928.38 is: 10,392.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,804.36 : 23,706.54 = 6,928.38 : x
  2. Step 2: Convert to fraction form
    15,804.36/23,706.54 = 6,928.38/x
  3. Step 3: Cross multiply
    15,804.36x = 23,706.54 × 6,928.38
  4. Step 4: Simplify right side
    15,804.36x = 164,247,917.61
  5. Step 5: Solve for x
    x = 164,247,917.61/15,804.36
  6. Step 6: Final answer
    x = 10,392.57

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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.