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Finding the Fourth Proportional to 8,495.96, 11,724.21 and 4,718.89

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Solution

The fourth proportional to 8,495.96, 11,724.21 and 4,718.89 is: 6,511.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.96 : 11,724.21 = 4,718.89 : x
  2. Step 2: Convert to fraction form
    8,495.96/11,724.21 = 4,718.89/x
  3. Step 3: Cross multiply
    8,495.96x = 11,724.21 × 4,718.89
  4. Step 4: Simplify right side
    8,495.96x = 55,325,271.98
  5. Step 5: Solve for x
    x = 55,325,271.98/8,495.96
  6. Step 6: Final answer
    x = 6,511.95

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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.