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Finding the Fourth Proportional to 7,396.80, 11,095.20 and 7,353.60

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Solution

The fourth proportional to 7,396.80, 11,095.20 and 7,353.60 is: 11,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,396.80 : 11,095.20 = 7,353.60 : x
  2. Step 2: Convert to fraction form
    7,396.80/11,095.20 = 7,353.60/x
  3. Step 3: Cross multiply
    7,396.80x = 11,095.20 × 7,353.60
  4. Step 4: Simplify right side
    7,396.80x = 81,589,662.72
  5. Step 5: Solve for x
    x = 81,589,662.72/7,396.80
  6. Step 6: Final answer
    x = 11,030.40

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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.