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Finding the Fourth Proportional to 3,610.76, 5,415.76 and 2,448.23

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Solution

The fourth proportional to 3,610.76, 5,415.76 and 2,448.23 is: 3,672.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.76 : 5,415.76 = 2,448.23 : x
  2. Step 2: Convert to fraction form
    3,610.76/5,415.76 = 2,448.23/x
  3. Step 3: Cross multiply
    3,610.76x = 5,415.76 × 2,448.23
  4. Step 4: Simplify right side
    3,610.76x = 13,258,986.78
  5. Step 5: Solve for x
    x = 13,258,986.78/3,610.76
  6. Step 6: Final answer
    x = 3,672.08

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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.