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Finding the Fourth Proportional to 7,365.60, 11,040.84 and 3,202.20

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Solution

The fourth proportional to 7,365.60, 11,040.84 and 3,202.20 is: 4,800.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365.60 : 11,040.84 = 3,202.20 : x
  2. Step 2: Convert to fraction form
    7,365.60/11,040.84 = 3,202.20/x
  3. Step 3: Cross multiply
    7,365.60x = 11,040.84 × 3,202.20
  4. Step 4: Simplify right side
    7,365.60x = 35,354,977.85
  5. Step 5: Solve for x
    x = 35,354,977.85/7,365.60
  6. Step 6: Final answer
    x = 4,800.01

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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.