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Finding the Fourth Proportional to 3,527.98, 4,868.22 and 1,955.68

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Solution

The fourth proportional to 3,527.98, 4,868.22 and 1,955.68 is: 2,698.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.98 : 4,868.22 = 1,955.68 : x
  2. Step 2: Convert to fraction form
    3,527.98/4,868.22 = 1,955.68/x
  3. Step 3: Cross multiply
    3,527.98x = 4,868.22 × 1,955.68
  4. Step 4: Simplify right side
    3,527.98x = 9,520,680.49
  5. Step 5: Solve for x
    x = 9,520,680.49/3,527.98
  6. Step 6: Final answer
    x = 2,698.62

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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.