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Finding the Fourth Proportional to 4,526, 6,244.80 and 2,636.42

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Solution

The fourth proportional to 4,526, 6,244.80 and 2,636.42 is: 3,637.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,526 : 6,244.80 = 2,636.42 : x
  2. Step 2: Convert to fraction form
    4,526/6,244.80 = 2,636.42/x
  3. Step 3: Cross multiply
    4,526x = 6,244.80 × 2,636.42
  4. Step 4: Simplify right side
    4,526x = 16,463,915.62
  5. Step 5: Solve for x
    x = 16,463,915.62/4,526
  6. Step 6: Final answer
    x = 3,637.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.