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Finding the Fourth Proportional to 6,561.95, 9,839.79 and 2,399.00

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Solution

The fourth proportional to 6,561.95, 9,839.79 and 2,399.00 is: 3,597.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561.95 : 9,839.79 = 2,399.00 : x
  2. Step 2: Convert to fraction form
    6,561.95/9,839.79 = 2,399.00/x
  3. Step 3: Cross multiply
    6,561.95x = 9,839.79 × 2,399.00
  4. Step 4: Simplify right side
    6,561.95x = 23,605,607.01
  5. Step 5: Solve for x
    x = 23,605,607.01/6,561.95
  6. Step 6: Final answer
    x = 3,597.35

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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.