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Finding the Fourth Proportional to 8,336.66, 11,503.42 and 4,799.20

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Solution

The fourth proportional to 8,336.66, 11,503.42 and 4,799.20 is: 6,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,336.66 : 11,503.42 = 4,799.20 : x
  2. Step 2: Convert to fraction form
    8,336.66/11,503.42 = 4,799.20/x
  3. Step 3: Cross multiply
    8,336.66x = 11,503.42 × 4,799.20
  4. Step 4: Simplify right side
    8,336.66x = 55,207,213.26
  5. Step 5: Solve for x
    x = 55,207,213.26/8,336.66
  6. Step 6: Final answer
    x = 6,622.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.