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Finding the Fourth Proportional to 7,003.59, 10,505.39 and 4,805.66

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Solution

The fourth proportional to 7,003.59, 10,505.39 and 4,805.66 is: 7,208.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.59 : 10,505.39 = 4,805.66 : x
  2. Step 2: Convert to fraction form
    7,003.59/10,505.39 = 4,805.66/x
  3. Step 3: Cross multiply
    7,003.59x = 10,505.39 × 4,805.66
  4. Step 4: Simplify right side
    7,003.59x = 50,485,255.95
  5. Step 5: Solve for x
    x = 50,485,255.95/7,003.59
  6. Step 6: Final answer
    x = 7,208.48

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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.