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Finding the Fourth Proportional to 5,459.25, 7,533.78 and 2,975.25

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Solution

The fourth proportional to 5,459.25, 7,533.78 and 2,975.25 is: 4,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.25 : 7,533.78 = 2,975.25 : x
  2. Step 2: Convert to fraction form
    5,459.25/7,533.78 = 2,975.25/x
  3. Step 3: Cross multiply
    5,459.25x = 7,533.78 × 2,975.25
  4. Step 4: Simplify right side
    5,459.25x = 22,414,878.95
  5. Step 5: Solve for x
    x = 22,414,878.95/5,459.25
  6. Step 6: Final answer
    x = 4,105.85

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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.