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Finding the Fourth Proportional to 9,958.77, 14,940.77 and 3,718.85

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Solution

The fourth proportional to 9,958.77, 14,940.77 and 3,718.85 is: 5,579.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,958.77 : 14,940.77 = 3,718.85 : x
  2. Step 2: Convert to fraction form
    9,958.77/14,940.77 = 3,718.85/x
  3. Step 3: Cross multiply
    9,958.77x = 14,940.77 × 3,718.85
  4. Step 4: Simplify right side
    9,958.77x = 55,562,389.22
  5. Step 5: Solve for x
    x = 55,562,389.22/9,958.77
  6. Step 6: Final answer
    x = 5,579.24

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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.