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Finding the Fourth Proportional to 8,928.30, 13,382.06 and 7,184.37

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Solution

The fourth proportional to 8,928.30, 13,382.06 and 7,184.37 is: 10,768.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.30 : 13,382.06 = 7,184.37 : x
  2. Step 2: Convert to fraction form
    8,928.30/13,382.06 = 7,184.37/x
  3. Step 3: Cross multiply
    8,928.30x = 13,382.06 × 7,184.37
  4. Step 4: Simplify right side
    8,928.30x = 96,141,634.48
  5. Step 5: Solve for x
    x = 96,141,634.48/8,928.30
  6. Step 6: Final answer
    x = 10,768.19

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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.