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Finding the Fourth Proportional to 4,719.28, 7,084.39 and 2,532.28

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Solution

The fourth proportional to 4,719.28, 7,084.39 and 2,532.28 is: 3,801.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.28 : 7,084.39 = 2,532.28 : x
  2. Step 2: Convert to fraction form
    4,719.28/7,084.39 = 2,532.28/x
  3. Step 3: Cross multiply
    4,719.28x = 7,084.39 × 2,532.28
  4. Step 4: Simplify right side
    4,719.28x = 17,939,659.11
  5. Step 5: Solve for x
    x = 17,939,659.11/4,719.28
  6. Step 6: Final answer
    x = 3,801.36

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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.