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Finding the Fourth Proportional to 3,576.93, 4,934.51 and 2,318.40

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Solution

The fourth proportional to 3,576.93, 4,934.51 and 2,318.40 is: 3,198.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.93 : 4,934.51 = 2,318.40 : x
  2. Step 2: Convert to fraction form
    3,576.93/4,934.51 = 2,318.40/x
  3. Step 3: Cross multiply
    3,576.93x = 4,934.51 × 2,318.40
  4. Step 4: Simplify right side
    3,576.93x = 11,440,167.98
  5. Step 5: Solve for x
    x = 11,440,167.98/3,576.93
  6. Step 6: Final answer
    x = 3,198.32

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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.