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Finding the Fourth Proportional to 10,194.95, 15,298.38 and 4,271.33

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Solution

The fourth proportional to 10,194.95, 15,298.38 and 4,271.33 is: 6,409.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,194.95 : 15,298.38 = 4,271.33 : x
  2. Step 2: Convert to fraction form
    10,194.95/15,298.38 = 4,271.33/x
  3. Step 3: Cross multiply
    10,194.95x = 15,298.38 × 4,271.33
  4. Step 4: Simplify right side
    10,194.95x = 65,344,467.69
  5. Step 5: Solve for x
    x = 65,344,467.69/10,194.95
  6. Step 6: Final answer
    x = 6,409.49

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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.