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Finding the Fourth Proportional to 6,928.93, 9,561.30 and 4,277.19

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Solution

The fourth proportional to 6,928.93, 9,561.30 and 4,277.19 is: 5,902.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.93 : 9,561.30 = 4,277.19 : x
  2. Step 2: Convert to fraction form
    6,928.93/9,561.30 = 4,277.19/x
  3. Step 3: Cross multiply
    6,928.93x = 9,561.30 × 4,277.19
  4. Step 4: Simplify right side
    6,928.93x = 40,895,496.75
  5. Step 5: Solve for x
    x = 40,895,496.75/6,928.93
  6. Step 6: Final answer
    x = 5,902.14

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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.