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Finding the Fourth Proportional to 8,483.20, 11,704.98 and 4,945.93

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Solution

The fourth proportional to 8,483.20, 11,704.98 and 4,945.93 is: 6,824.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,483.20 : 11,704.98 = 4,945.93 : x
  2. Step 2: Convert to fraction form
    8,483.20/11,704.98 = 4,945.93/x
  3. Step 3: Cross multiply
    8,483.20x = 11,704.98 × 4,945.93
  4. Step 4: Simplify right side
    8,483.20x = 57,892,011.73
  5. Step 5: Solve for x
    x = 57,892,011.73/8,483.20
  6. Step 6: Final answer
    x = 6,824.31

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1.5x scale

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.