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Finding the Fourth Proportional to 10,453.86, 14,420.03 and 6,203.39

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Solution

The fourth proportional to 10,453.86, 14,420.03 and 6,203.39 is: 8,556.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,453.86 : 14,420.03 = 6,203.39 : x
  2. Step 2: Convert to fraction form
    10,453.86/14,420.03 = 6,203.39/x
  3. Step 3: Cross multiply
    10,453.86x = 14,420.03 × 6,203.39
  4. Step 4: Simplify right side
    10,453.86x = 89,452,966.78
  5. Step 5: Solve for x
    x = 89,452,966.78/10,453.86
  6. Step 6: Final answer
    x = 8,556.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.