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Finding the Fourth Proportional to 8,662.76, 13,014.93 and 5,548.80

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Solution

The fourth proportional to 8,662.76, 13,014.93 and 5,548.80 is: 8,336.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,662.76 : 13,014.93 = 5,548.80 : x
  2. Step 2: Convert to fraction form
    8,662.76/13,014.93 = 5,548.80/x
  3. Step 3: Cross multiply
    8,662.76x = 13,014.93 × 5,548.80
  4. Step 4: Simplify right side
    8,662.76x = 72,217,243.58
  5. Step 5: Solve for x
    x = 72,217,243.58/8,662.76
  6. Step 6: Final answer
    x = 8,336.52

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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.