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Finding the Fourth Proportional to 6,928.03, 9,560.32 and 3,783.61

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Solution

The fourth proportional to 6,928.03, 9,560.32 and 3,783.61 is: 5,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.03 : 9,560.32 = 3,783.61 : x
  2. Step 2: Convert to fraction form
    6,928.03/9,560.32 = 3,783.61/x
  3. Step 3: Cross multiply
    6,928.03x = 9,560.32 × 3,783.61
  4. Step 4: Simplify right side
    6,928.03x = 36,172,522.36
  5. Step 5: Solve for x
    x = 36,172,522.36/6,928.03
  6. Step 6: Final answer
    x = 5,221.18

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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.