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Finding the Fourth Proportional to 8,192.99, 12,280.44 and 4,244.55

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Solution

The fourth proportional to 8,192.99, 12,280.44 and 4,244.55 is: 6,362.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,192.99 : 12,280.44 = 4,244.55 : x
  2. Step 2: Convert to fraction form
    8,192.99/12,280.44 = 4,244.55/x
  3. Step 3: Cross multiply
    8,192.99x = 12,280.44 × 4,244.55
  4. Step 4: Simplify right side
    8,192.99x = 52,124,941.60
  5. Step 5: Solve for x
    x = 52,124,941.60/8,192.99
  6. Step 6: Final answer
    x = 6,362.14

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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.