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Finding the Fourth Proportional to 7,805.01, 10,770.75 and 4,268.01

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Solution

The fourth proportional to 7,805.01, 10,770.75 and 4,268.01 is: 5,889.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,805.01 : 10,770.75 = 4,268.01 : x
  2. Step 2: Convert to fraction form
    7,805.01/10,770.75 = 4,268.01/x
  3. Step 3: Cross multiply
    7,805.01x = 10,770.75 × 4,268.01
  4. Step 4: Simplify right side
    7,805.01x = 45,969,668.71
  5. Step 5: Solve for x
    x = 45,969,668.71/7,805.01
  6. Step 6: Final answer
    x = 5,889.76

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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.