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Finding the Fourth Proportional to 5,951.15, 8,905.79 and 4,778.27

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Solution

The fourth proportional to 5,951.15, 8,905.79 and 4,778.27 is: 7,150.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,951.15 : 8,905.79 = 4,778.27 : x
  2. Step 2: Convert to fraction form
    5,951.15/8,905.79 = 4,778.27/x
  3. Step 3: Cross multiply
    5,951.15x = 8,905.79 × 4,778.27
  4. Step 4: Simplify right side
    5,951.15x = 42,554,269.18
  5. Step 5: Solve for x
    x = 42,554,269.18/5,951.15
  6. Step 6: Final answer
    x = 7,150.60

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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.