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Finding the Fourth Proportional to 8,492.59, 12,725.90 and 3,559.54

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Solution

The fourth proportional to 8,492.59, 12,725.90 and 3,559.54 is: 5,333.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492.59 : 12,725.90 = 3,559.54 : x
  2. Step 2: Convert to fraction form
    8,492.59/12,725.90 = 3,559.54/x
  3. Step 3: Cross multiply
    8,492.59x = 12,725.90 × 3,559.54
  4. Step 4: Simplify right side
    8,492.59x = 45,298,361.54
  5. Step 5: Solve for x
    x = 45,298,361.54/8,492.59
  6. Step 6: Final answer
    x = 5,333.87

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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.