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Finding the Fourth Proportional to 5,482.72, 8,232.28 and 4,383.84

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Solution

The fourth proportional to 5,482.72, 8,232.28 and 4,383.84 is: 6,582.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482.72 : 8,232.28 = 4,383.84 : x
  2. Step 2: Convert to fraction form
    5,482.72/8,232.28 = 4,383.84/x
  3. Step 3: Cross multiply
    5,482.72x = 8,232.28 × 4,383.84
  4. Step 4: Simplify right side
    5,482.72x = 36,088,998.36
  5. Step 5: Solve for x
    x = 36,088,998.36/5,482.72
  6. Step 6: Final answer
    x = 6,582.32

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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.