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Finding the Fourth Proportional to 8,336.10, 12,518.55 and 4,448.10

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Solution

The fourth proportional to 8,336.10, 12,518.55 and 4,448.10 is: 6,679.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,336.10 : 12,518.55 = 4,448.10 : x
  2. Step 2: Convert to fraction form
    8,336.10/12,518.55 = 4,448.10/x
  3. Step 3: Cross multiply
    8,336.10x = 12,518.55 × 4,448.10
  4. Step 4: Simplify right side
    8,336.10x = 55,683,762.26
  5. Step 5: Solve for x
    x = 55,683,762.26/8,336.10
  6. Step 6: Final answer
    x = 6,679.83

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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.