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Finding the Fourth Proportional to 5,054.64, 6,975.81 and 2,817.24

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Solution

The fourth proportional to 5,054.64, 6,975.81 and 2,817.24 is: 3,888.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,054.64 : 6,975.81 = 2,817.24 : x
  2. Step 2: Convert to fraction form
    5,054.64/6,975.81 = 2,817.24/x
  3. Step 3: Cross multiply
    5,054.64x = 6,975.81 × 2,817.24
  4. Step 4: Simplify right side
    5,054.64x = 19,652,530.96
  5. Step 5: Solve for x
    x = 19,652,530.96/5,054.64
  6. Step 6: Final answer
    x = 3,888.02

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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.