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Finding the Fourth Proportional to 3,986.33, 5,503.07 and 2,495.07

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Solution

The fourth proportional to 3,986.33, 5,503.07 and 2,495.07 is: 3,444.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986.33 : 5,503.07 = 2,495.07 : x
  2. Step 2: Convert to fraction form
    3,986.33/5,503.07 = 2,495.07/x
  3. Step 3: Cross multiply
    3,986.33x = 5,503.07 × 2,495.07
  4. Step 4: Simplify right side
    3,986.33x = 13,730,551.10
  5. Step 5: Solve for x
    x = 13,730,551.10/3,986.33
  6. Step 6: Final answer
    x = 3,444.41

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1.5x scale

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.