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Finding the Fourth Proportional to 5,719.72, 8,585.58 and 3,259.24

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Solution

The fourth proportional to 5,719.72, 8,585.58 and 3,259.24 is: 4,892.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.72 : 8,585.58 = 3,259.24 : x
  2. Step 2: Convert to fraction form
    5,719.72/8,585.58 = 3,259.24/x
  3. Step 3: Cross multiply
    5,719.72x = 8,585.58 × 3,259.24
  4. Step 4: Simplify right side
    5,719.72x = 27,982,465.76
  5. Step 5: Solve for x
    x = 27,982,465.76/5,719.72
  6. Step 6: Final answer
    x = 4,892.28

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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.