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Finding the Fourth Proportional to 4,928.58, 7,383.15 and 2,984.58

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Solution

The fourth proportional to 4,928.58, 7,383.15 and 2,984.58 is: 4,470.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.58 : 7,383.15 = 2,984.58 : x
  2. Step 2: Convert to fraction form
    4,928.58/7,383.15 = 2,984.58/x
  3. Step 3: Cross multiply
    4,928.58x = 7,383.15 × 2,984.58
  4. Step 4: Simplify right side
    4,928.58x = 22,035,601.83
  5. Step 5: Solve for x
    x = 22,035,601.83/4,928.58
  6. Step 6: Final answer
    x = 4,470.98

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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.