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Finding the Fourth Proportional to 8,237.86, 12,357.99 and 2,393.71

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Solution

The fourth proportional to 8,237.86, 12,357.99 and 2,393.71 is: 3,590.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.86 : 12,357.99 = 2,393.71 : x
  2. Step 2: Convert to fraction form
    8,237.86/12,357.99 = 2,393.71/x
  3. Step 3: Cross multiply
    8,237.86x = 12,357.99 × 2,393.71
  4. Step 4: Simplify right side
    8,237.86x = 29,581,413.35
  5. Step 5: Solve for x
    x = 29,581,413.35/8,237.86
  6. Step 6: Final answer
    x = 3,590.91

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1.5x scale

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.