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Finding the Fourth Proportional to 7,305.98, 10,945.98 and 4,986.14

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Solution

The fourth proportional to 7,305.98, 10,945.98 and 4,986.14 is: 7,470.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.98 : 10,945.98 = 4,986.14 : x
  2. Step 2: Convert to fraction form
    7,305.98/10,945.98 = 4,986.14/x
  3. Step 3: Cross multiply
    7,305.98x = 10,945.98 × 4,986.14
  4. Step 4: Simplify right side
    7,305.98x = 54,578,133.99
  5. Step 5: Solve for x
    x = 54,578,133.99/7,305.98
  6. Step 6: Final answer
    x = 7,470.34

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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.