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Finding the Fourth Proportional to 9,309.03, 13,968.29 and 6,191.16

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Solution

The fourth proportional to 9,309.03, 13,968.29 and 6,191.16 is: 9,289.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.03 : 13,968.29 = 6,191.16 : x
  2. Step 2: Convert to fraction form
    9,309.03/13,968.29 = 6,191.16/x
  3. Step 3: Cross multiply
    9,309.03x = 13,968.29 × 6,191.16
  4. Step 4: Simplify right side
    9,309.03x = 86,479,918.32
  5. Step 5: Solve for x
    x = 86,479,918.32/9,309.03
  6. Step 6: Final answer
    x = 9,289.90

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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.