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Finding the Fourth Proportional to 6,681.44, 10,023.60 and 3,605.60

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Solution

The fourth proportional to 6,681.44, 10,023.60 and 3,605.60 is: 5,409.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681.44 : 10,023.60 = 3,605.60 : x
  2. Step 2: Convert to fraction form
    6,681.44/10,023.60 = 3,605.60/x
  3. Step 3: Cross multiply
    6,681.44x = 10,023.60 × 3,605.60
  4. Step 4: Simplify right side
    6,681.44x = 36,141,092.16
  5. Step 5: Solve for x
    x = 36,141,092.16/6,681.44
  6. Step 6: Final answer
    x = 5,409.18

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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.