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Finding the Fourth Proportional to 8,803.87, 13,172.69 and 6,176.50

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Solution

The fourth proportional to 8,803.87, 13,172.69 and 6,176.50 is: 9,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.87 : 13,172.69 = 6,176.50 : x
  2. Step 2: Convert to fraction form
    8,803.87/13,172.69 = 6,176.50/x
  3. Step 3: Cross multiply
    8,803.87x = 13,172.69 × 6,176.50
  4. Step 4: Simplify right side
    8,803.87x = 81,361,176.39
  5. Step 5: Solve for x
    x = 81,361,176.39/8,803.87
  6. Step 6: Final answer
    x = 9,241.52

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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.