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Finding the Fourth Proportional to 3,425.94, 4,729.41 and 3,302.82

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Solution

The fourth proportional to 3,425.94, 4,729.41 and 3,302.82 is: 4,559.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.94 : 4,729.41 = 3,302.82 : x
  2. Step 2: Convert to fraction form
    3,425.94/4,729.41 = 3,302.82/x
  3. Step 3: Cross multiply
    3,425.94x = 4,729.41 × 3,302.82
  4. Step 4: Simplify right side
    3,425.94x = 15,620,389.94
  5. Step 5: Solve for x
    x = 15,620,389.94/3,425.94
  6. Step 6: Final answer
    x = 4,559.45

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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.