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Finding the Fourth Proportional to 5,499.42, 8,251.02 and 1,604.40

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Solution

The fourth proportional to 5,499.42, 8,251.02 and 1,604.40 is: 2,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,499.42 : 8,251.02 = 1,604.40 : x
  2. Step 2: Convert to fraction form
    5,499.42/8,251.02 = 1,604.40/x
  3. Step 3: Cross multiply
    5,499.42x = 8,251.02 × 1,604.40
  4. Step 4: Simplify right side
    5,499.42x = 13,237,936.49
  5. Step 5: Solve for x
    x = 13,237,936.49/5,499.42
  6. Step 6: Final answer
    x = 2,407.15

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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.