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Finding the Fourth Proportional to 8,762.75, 13,146.29 and 2,606.75

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Solution

The fourth proportional to 8,762.75, 13,146.29 and 2,606.75 is: 3,910.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762.75 : 13,146.29 = 2,606.75 : x
  2. Step 2: Convert to fraction form
    8,762.75/13,146.29 = 2,606.75/x
  3. Step 3: Cross multiply
    8,762.75x = 13,146.29 × 2,606.75
  4. Step 4: Simplify right side
    8,762.75x = 34,269,091.46
  5. Step 5: Solve for x
    x = 34,269,091.46/8,762.75
  6. Step 6: Final answer
    x = 3,910.77

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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.