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Finding the Fourth Proportional to 3,602.72, 5,400.24 and 2,507.36

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Solution

The fourth proportional to 3,602.72, 5,400.24 and 2,507.36 is: 3,758.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.72 : 5,400.24 = 2,507.36 : x
  2. Step 2: Convert to fraction form
    3,602.72/5,400.24 = 2,507.36/x
  3. Step 3: Cross multiply
    3,602.72x = 5,400.24 × 2,507.36
  4. Step 4: Simplify right side
    3,602.72x = 13,540,345.77
  5. Step 5: Solve for x
    x = 13,540,345.77/3,602.72
  6. Step 6: Final answer
    x = 3,758.37

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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.