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Finding the Fourth Proportional to 8,826.53, 12,181.07 and 4,847.81

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Solution

The fourth proportional to 8,826.53, 12,181.07 and 4,847.81 is: 6,690.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.53 : 12,181.07 = 4,847.81 : x
  2. Step 2: Convert to fraction form
    8,826.53/12,181.07 = 4,847.81/x
  3. Step 3: Cross multiply
    8,826.53x = 12,181.07 × 4,847.81
  4. Step 4: Simplify right side
    8,826.53x = 59,051,488.72
  5. Step 5: Solve for x
    x = 59,051,488.72/8,826.53
  6. Step 6: Final answer
    x = 6,690.23

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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.