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Finding the Fourth Proportional to 5,064.72, 6,989.93 and 2,968.84

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Solution

The fourth proportional to 5,064.72, 6,989.93 and 2,968.84 is: 4,097.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,064.72 : 6,989.93 = 2,968.84 : x
  2. Step 2: Convert to fraction form
    5,064.72/6,989.93 = 2,968.84/x
  3. Step 3: Cross multiply
    5,064.72x = 6,989.93 × 2,968.84
  4. Step 4: Simplify right side
    5,064.72x = 20,751,983.78
  5. Step 5: Solve for x
    x = 20,751,983.78/5,064.72
  6. Step 6: Final answer
    x = 4,097.36

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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.