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Finding the Fourth Proportional to 5,879.93, 8,860.35 and 4,862.80

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Solution

The fourth proportional to 5,879.93, 8,860.35 and 4,862.80 is: 7,327.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.93 : 8,860.35 = 4,862.80 : x
  2. Step 2: Convert to fraction form
    5,879.93/8,860.35 = 4,862.80/x
  3. Step 3: Cross multiply
    5,879.93x = 8,860.35 × 4,862.80
  4. Step 4: Simplify right side
    5,879.93x = 43,086,109.98
  5. Step 5: Solve for x
    x = 43,086,109.98/5,879.93
  6. Step 6: Final answer
    x = 7,327.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.