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Finding the Fourth Proportional to 5,903.45, 8,845.55 and 3,440.34

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Solution

The fourth proportional to 5,903.45, 8,845.55 and 3,440.34 is: 5,154.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.45 : 8,845.55 = 3,440.34 : x
  2. Step 2: Convert to fraction form
    5,903.45/8,845.55 = 3,440.34/x
  3. Step 3: Cross multiply
    5,903.45x = 8,845.55 × 3,440.34
  4. Step 4: Simplify right side
    5,903.45x = 30,431,682.29
  5. Step 5: Solve for x
    x = 30,431,682.29/5,903.45
  6. Step 6: Final answer
    x = 5,154.90

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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.