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Finding the Fourth Proportional to 5,054.81, 6,975.54 and 2,816.60

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Solution

The fourth proportional to 5,054.81, 6,975.54 and 2,816.60 is: 3,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,054.81 : 6,975.54 = 2,816.60 : x
  2. Step 2: Convert to fraction form
    5,054.81/6,975.54 = 2,816.60/x
  3. Step 3: Cross multiply
    5,054.81x = 6,975.54 × 2,816.60
  4. Step 4: Simplify right side
    5,054.81x = 19,647,271.09
  5. Step 5: Solve for x
    x = 19,647,271.09/5,054.81
  6. Step 6: Final answer
    x = 3,886.85

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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.