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Finding the Fourth Proportional to 7,369.60, 10,169.04 and 4,057.60

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Solution

The fourth proportional to 7,369.60, 10,169.04 and 4,057.60 is: 5,598.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,369.60 : 10,169.04 = 4,057.60 : x
  2. Step 2: Convert to fraction form
    7,369.60/10,169.04 = 4,057.60/x
  3. Step 3: Cross multiply
    7,369.60x = 10,169.04 × 4,057.60
  4. Step 4: Simplify right side
    7,369.60x = 41,261,896.70
  5. Step 5: Solve for x
    x = 41,261,896.70/7,369.60
  6. Step 6: Final answer
    x = 5,598.93

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1.5x scale

Why These Related Problems?

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