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Finding the Fourth Proportional to 1,502.01, 2,253.94 and 636.32

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Solution

The fourth proportional to 1,502.01, 2,253.94 and 636.32 is: 954.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.01 : 2,253.94 = 636.32 : x
  2. Step 2: Convert to fraction form
    1,502.01/2,253.94 = 636.32/x
  3. Step 3: Cross multiply
    1,502.01x = 2,253.94 × 636.32
  4. Step 4: Simplify right side
    1,502.01x = 1,434,231.14
  5. Step 5: Solve for x
    x = 1,434,231.14/1,502.01
  6. Step 6: Final answer
    x = 954.87

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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.