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Finding the Fourth Proportional to 5,000.96, 7,505.08 and 2,405.72

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Solution

The fourth proportional to 5,000.96, 7,505.08 and 2,405.72 is: 3,610.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.96 : 7,505.08 = 2,405.72 : x
  2. Step 2: Convert to fraction form
    5,000.96/7,505.08 = 2,405.72/x
  3. Step 3: Cross multiply
    5,000.96x = 7,505.08 × 2,405.72
  4. Step 4: Simplify right side
    5,000.96x = 18,055,121.06
  5. Step 5: Solve for x
    x = 18,055,121.06/5,000.96
  6. Step 6: Final answer
    x = 3,610.33

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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.