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Finding the Fourth Proportional to 19,263.50, 28,895.34 and 6,951.50

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Solution

The fourth proportional to 19,263.50, 28,895.34 and 6,951.50 is: 10,427.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,263.50 : 28,895.34 = 6,951.50 : x
  2. Step 2: Convert to fraction form
    19,263.50/28,895.34 = 6,951.50/x
  3. Step 3: Cross multiply
    19,263.50x = 28,895.34 × 6,951.50
  4. Step 4: Simplify right side
    19,263.50x = 200,865,956.01
  5. Step 5: Solve for x
    x = 200,865,956.01/19,263.50
  6. Step 6: Final answer
    x = 10,427.28

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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.