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Finding the Fourth Proportional to 8,812.94, 13,216.77 and 4,650.72

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Solution

The fourth proportional to 8,812.94, 13,216.77 and 4,650.72 is: 6,974.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.94 : 13,216.77 = 4,650.72 : x
  2. Step 2: Convert to fraction form
    8,812.94/13,216.77 = 4,650.72/x
  3. Step 3: Cross multiply
    8,812.94x = 13,216.77 × 4,650.72
  4. Step 4: Simplify right side
    8,812.94x = 61,467,447.01
  5. Step 5: Solve for x
    x = 61,467,447.01/8,812.94
  6. Step 6: Final answer
    x = 6,974.69

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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.