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Finding the Fourth Proportional to 7,480.01, 10,321.80 and 4,336.40

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Solution

The fourth proportional to 7,480.01, 10,321.80 and 4,336.40 is: 5,983.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.01 : 10,321.80 = 4,336.40 : x
  2. Step 2: Convert to fraction form
    7,480.01/10,321.80 = 4,336.40/x
  3. Step 3: Cross multiply
    7,480.01x = 10,321.80 × 4,336.40
  4. Step 4: Simplify right side
    7,480.01x = 44,759,401.91
  5. Step 5: Solve for x
    x = 44,759,401.91/7,480.01
  6. Step 6: Final answer
    x = 5,983.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.