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Finding the Fourth Proportional to 2,503.77, 3,455.29 and 1,441.88

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Solution

The fourth proportional to 2,503.77, 3,455.29 and 1,441.88 is: 1,989.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,503.77 : 3,455.29 = 1,441.88 : x
  2. Step 2: Convert to fraction form
    2,503.77/3,455.29 = 1,441.88/x
  3. Step 3: Cross multiply
    2,503.77x = 3,455.29 × 1,441.88
  4. Step 4: Simplify right side
    2,503.77x = 4,982,120.13
  5. Step 5: Solve for x
    x = 4,982,120.13/2,503.77
  6. Step 6: Final answer
    x = 1,989.84

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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.