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Finding the Fourth Proportional to 9,357.81, 13,968.18 and 8,250.66

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Solution

The fourth proportional to 9,357.81, 13,968.18 and 8,250.66 is: 12,315.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,357.81 : 13,968.18 = 8,250.66 : x
  2. Step 2: Convert to fraction form
    9,357.81/13,968.18 = 8,250.66/x
  3. Step 3: Cross multiply
    9,357.81x = 13,968.18 × 8,250.66
  4. Step 4: Simplify right side
    9,357.81x = 115,246,704.00
  5. Step 5: Solve for x
    x = 115,246,704.00/9,357.81
  6. Step 6: Final answer
    x = 12,315.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.