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Finding the Fourth Proportional to 5,826.29, 8,730.79 and 4,279.73

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Solution

The fourth proportional to 5,826.29, 8,730.79 and 4,279.73 is: 6,413.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,826.29 : 8,730.79 = 4,279.73 : x
  2. Step 2: Convert to fraction form
    5,826.29/8,730.79 = 4,279.73/x
  3. Step 3: Cross multiply
    5,826.29x = 8,730.79 × 4,279.73
  4. Step 4: Simplify right side
    5,826.29x = 37,365,423.89
  5. Step 5: Solve for x
    x = 37,365,423.89/5,826.29
  6. Step 6: Final answer
    x = 6,413.24

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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.