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Finding the Fourth Proportional to 9,958.74, 14,940.99 and 4,112.34

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Solution

The fourth proportional to 9,958.74, 14,940.99 and 4,112.34 is: 6,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,958.74 : 14,940.99 = 4,112.34 : x
  2. Step 2: Convert to fraction form
    9,958.74/14,940.99 = 4,112.34/x
  3. Step 3: Cross multiply
    9,958.74x = 14,940.99 × 4,112.34
  4. Step 4: Simplify right side
    9,958.74x = 61,442,430.82
  5. Step 5: Solve for x
    x = 61,442,430.82/9,958.74
  6. Step 6: Final answer
    x = 6,169.70

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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.