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Finding the Fourth Proportional to 19,263.16, 28,896.36 and 6,112

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Solution

The fourth proportional to 19,263.16, 28,896.36 and 6,112 is: 9,168.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,263.16 : 28,896.36 = 6,112 : x
  2. Step 2: Convert to fraction form
    19,263.16/28,896.36 = 6,112/x
  3. Step 3: Cross multiply
    19,263.16x = 28,896.36 × 6,112
  4. Step 4: Simplify right side
    19,263.16x = 176,614,552.32
  5. Step 5: Solve for x
    x = 176,614,552.32/19,263.16
  6. Step 6: Final answer
    x = 9,168.51

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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.