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Finding the Fourth Proportional to 9,338.28, 12,888.54 and 5,982.54

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Solution

The fourth proportional to 9,338.28, 12,888.54 and 5,982.54 is: 8,257.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,338.28 : 12,888.54 = 5,982.54 : x
  2. Step 2: Convert to fraction form
    9,338.28/12,888.54 = 5,982.54/x
  3. Step 3: Cross multiply
    9,338.28x = 12,888.54 × 5,982.54
  4. Step 4: Simplify right side
    9,338.28x = 77,106,206.09
  5. Step 5: Solve for x
    x = 77,106,206.09/9,338.28
  6. Step 6: Final answer
    x = 8,257.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.