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Finding the Fourth Proportional to 5,719.36, 8,557.02 and 5,304.64

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Solution

The fourth proportional to 5,719.36, 8,557.02 and 5,304.64 is: 7,936.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.36 : 8,557.02 = 5,304.64 : x
  2. Step 2: Convert to fraction form
    5,719.36/8,557.02 = 5,304.64/x
  3. Step 3: Cross multiply
    5,719.36x = 8,557.02 × 5,304.64
  4. Step 4: Simplify right side
    5,719.36x = 45,391,910.57
  5. Step 5: Solve for x
    x = 45,391,910.57/5,719.36
  6. Step 6: Final answer
    x = 7,936.54

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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.