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Finding the Fourth Proportional to 7,804.95, 10,771.07 and 4,268.37

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Solution

The fourth proportional to 7,804.95, 10,771.07 and 4,268.37 is: 5,890.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,804.95 : 10,771.07 = 4,268.37 : x
  2. Step 2: Convert to fraction form
    7,804.95/10,771.07 = 4,268.37/x
  3. Step 3: Cross multiply
    7,804.95x = 10,771.07 × 4,268.37
  4. Step 4: Simplify right side
    7,804.95x = 45,974,890.71
  5. Step 5: Solve for x
    x = 45,974,890.71/7,804.95
  6. Step 6: Final answer
    x = 5,890.48

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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.