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Finding the Fourth Proportional to 3,576.96, 4,941.28 and 3,404.16

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Solution

The fourth proportional to 3,576.96, 4,941.28 and 3,404.16 is: 4,702.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.96 : 4,941.28 = 3,404.16 : x
  2. Step 2: Convert to fraction form
    3,576.96/4,941.28 = 3,404.16/x
  3. Step 3: Cross multiply
    3,576.96x = 4,941.28 × 3,404.16
  4. Step 4: Simplify right side
    3,576.96x = 16,820,907.72
  5. Step 5: Solve for x
    x = 16,820,907.72/3,576.96
  6. Step 6: Final answer
    x = 4,702.57

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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.