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Finding the Fourth Proportional to 8,591.25, 11,855.73 and 5,054.69

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Solution

The fourth proportional to 8,591.25, 11,855.73 and 5,054.69 is: 6,975.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591.25 : 11,855.73 = 5,054.69 : x
  2. Step 2: Convert to fraction form
    8,591.25/11,855.73 = 5,054.69/x
  3. Step 3: Cross multiply
    8,591.25x = 11,855.73 × 5,054.69
  4. Step 4: Simplify right side
    8,591.25x = 59,927,014.60
  5. Step 5: Solve for x
    x = 59,927,014.60/8,591.25
  6. Step 6: Final answer
    x = 6,975.35

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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.