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Finding the Fourth Proportional to 6,758.64, 10,130.40 and 3,055.32

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Solution

The fourth proportional to 6,758.64, 10,130.40 and 3,055.32 is: 4,579.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,758.64 : 10,130.40 = 3,055.32 : x
  2. Step 2: Convert to fraction form
    6,758.64/10,130.40 = 3,055.32/x
  3. Step 3: Cross multiply
    6,758.64x = 10,130.40 × 3,055.32
  4. Step 4: Simplify right side
    6,758.64x = 30,951,613.73
  5. Step 5: Solve for x
    x = 30,951,613.73/6,758.64
  6. Step 6: Final answer
    x = 4,579.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.