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Finding the Fourth Proportional to 8,766.63, 13,140.23 and 4,374.41

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Solution

The fourth proportional to 8,766.63, 13,140.23 and 4,374.41 is: 6,556.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.63 : 13,140.23 = 4,374.41 : x
  2. Step 2: Convert to fraction form
    8,766.63/13,140.23 = 4,374.41/x
  3. Step 3: Cross multiply
    8,766.63x = 13,140.23 × 4,374.41
  4. Step 4: Simplify right side
    8,766.63x = 57,480,665.94
  5. Step 5: Solve for x
    x = 57,480,665.94/8,766.63
  6. Step 6: Final answer
    x = 6,556.76

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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.