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Finding the Fourth Proportional to 8,383.64, 12,575.46 and 4,482.68

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Solution

The fourth proportional to 8,383.64, 12,575.46 and 4,482.68 is: 6,724.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.64 : 12,575.46 = 4,482.68 : x
  2. Step 2: Convert to fraction form
    8,383.64/12,575.46 = 4,482.68/x
  3. Step 3: Cross multiply
    8,383.64x = 12,575.46 × 4,482.68
  4. Step 4: Simplify right side
    8,383.64x = 56,371,763.03
  5. Step 5: Solve for x
    x = 56,371,763.03/8,383.64
  6. Step 6: Final answer
    x = 6,724.02

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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.