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Finding the Fourth Proportional to 5,010.36, 7,530.12 and 2,415.12

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Solution

The fourth proportional to 5,010.36, 7,530.12 and 2,415.12 is: 3,629.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.36 : 7,530.12 = 2,415.12 : x
  2. Step 2: Convert to fraction form
    5,010.36/7,530.12 = 2,415.12/x
  3. Step 3: Cross multiply
    5,010.36x = 7,530.12 × 2,415.12
  4. Step 4: Simplify right side
    5,010.36x = 18,186,143.41
  5. Step 5: Solve for x
    x = 18,186,143.41/5,010.36
  6. Step 6: Final answer
    x = 3,629.71

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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.