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Finding the Fourth Proportional to 8,526.75, 12,790.13 and 2,683.37

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Solution

The fourth proportional to 8,526.75, 12,790.13 and 2,683.37 is: 4,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.75 : 12,790.13 = 2,683.37 : x
  2. Step 2: Convert to fraction form
    8,526.75/12,790.13 = 2,683.37/x
  3. Step 3: Cross multiply
    8,526.75x = 12,790.13 × 2,683.37
  4. Step 4: Simplify right side
    8,526.75x = 34,320,573.77
  5. Step 5: Solve for x
    x = 34,320,573.77/8,526.75
  6. Step 6: Final answer
    x = 4,025.05

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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.