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Finding the Fourth Proportional to 8,572.67, 11,829.73 and 4,796.18

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Solution

The fourth proportional to 8,572.67, 11,829.73 and 4,796.18 is: 6,618.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572.67 : 11,829.73 = 4,796.18 : x
  2. Step 2: Convert to fraction form
    8,572.67/11,829.73 = 4,796.18/x
  3. Step 3: Cross multiply
    8,572.67x = 11,829.73 × 4,796.18
  4. Step 4: Simplify right side
    8,572.67x = 56,737,514.43
  5. Step 5: Solve for x
    x = 56,737,514.43/8,572.67
  6. Step 6: Final answer
    x = 6,618.42

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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.