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Finding the Fourth Proportional to 1,644.36, 2,460.15 and 1,506.47

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Solution

The fourth proportional to 1,644.36, 2,460.15 and 1,506.47 is: 2,253.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.36 : 2,460.15 = 1,506.47 : x
  2. Step 2: Convert to fraction form
    1,644.36/2,460.15 = 1,506.47/x
  3. Step 3: Cross multiply
    1,644.36x = 2,460.15 × 1,506.47
  4. Step 4: Simplify right side
    1,644.36x = 3,706,129.87
  5. Step 5: Solve for x
    x = 3,706,129.87/1,644.36
  6. Step 6: Final answer
    x = 2,253.84

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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.