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Finding the Fourth Proportional to 8,133.61, 12,200.23 and 3,751.06

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Solution

The fourth proportional to 8,133.61, 12,200.23 and 3,751.06 is: 5,626.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.61 : 12,200.23 = 3,751.06 : x
  2. Step 2: Convert to fraction form
    8,133.61/12,200.23 = 3,751.06/x
  3. Step 3: Cross multiply
    8,133.61x = 12,200.23 × 3,751.06
  4. Step 4: Simplify right side
    8,133.61x = 45,763,794.74
  5. Step 5: Solve for x
    x = 45,763,794.74/8,133.61
  6. Step 6: Final answer
    x = 5,626.50

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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.