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Finding the Fourth Proportional to 9,331.90, 13,993.72 and 4,948.34

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Solution

The fourth proportional to 9,331.90, 13,993.72 and 4,948.34 is: 7,420.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.90 : 13,993.72 = 4,948.34 : x
  2. Step 2: Convert to fraction form
    9,331.90/13,993.72 = 4,948.34/x
  3. Step 3: Cross multiply
    9,331.90x = 13,993.72 × 4,948.34
  4. Step 4: Simplify right side
    9,331.90x = 69,245,602.09
  5. Step 5: Solve for x
    x = 69,245,602.09/9,331.90
  6. Step 6: Final answer
    x = 7,420.31

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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.