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Finding the Fourth Proportional to 9,309.93, 13,958.37 and 4,377.03

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Solution

The fourth proportional to 9,309.93, 13,958.37 and 4,377.03 is: 6,562.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.93 : 13,958.37 = 4,377.03 : x
  2. Step 2: Convert to fraction form
    9,309.93/13,958.37 = 4,377.03/x
  3. Step 3: Cross multiply
    9,309.93x = 13,958.37 × 4,377.03
  4. Step 4: Simplify right side
    9,309.93x = 61,096,182.36
  5. Step 5: Solve for x
    x = 61,096,182.36/9,309.93
  6. Step 6: Final answer
    x = 6,562.47

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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.