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Finding the Fourth Proportional to 7,893.95, 11,841.44 and 2,963.72

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Solution

The fourth proportional to 7,893.95, 11,841.44 and 2,963.72 is: 4,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893.95 : 11,841.44 = 2,963.72 : x
  2. Step 2: Convert to fraction form
    7,893.95/11,841.44 = 2,963.72/x
  3. Step 3: Cross multiply
    7,893.95x = 11,841.44 × 2,963.72
  4. Step 4: Simplify right side
    7,893.95x = 35,094,638.53
  5. Step 5: Solve for x
    x = 35,094,638.53/7,893.95
  6. Step 6: Final answer
    x = 4,445.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.