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Finding the Fourth Proportional to 1,636.74, 2,444.21 and 1,552.50

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Solution

The fourth proportional to 1,636.74, 2,444.21 and 1,552.50 is: 2,318.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636.74 : 2,444.21 = 1,552.50 : x
  2. Step 2: Convert to fraction form
    1,636.74/2,444.21 = 1,552.50/x
  3. Step 3: Cross multiply
    1,636.74x = 2,444.21 × 1,552.50
  4. Step 4: Simplify right side
    1,636.74x = 3,794,628.26
  5. Step 5: Solve for x
    x = 3,794,628.26/1,636.74
  6. Step 6: Final answer
    x = 2,318.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.