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Finding the Fourth Proportional to 7,994.94, 11,034.35 and 4,640.54

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Solution

The fourth proportional to 7,994.94, 11,034.35 and 4,640.54 is: 6,404.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.94 : 11,034.35 = 4,640.54 : x
  2. Step 2: Convert to fraction form
    7,994.94/11,034.35 = 4,640.54/x
  3. Step 3: Cross multiply
    7,994.94x = 11,034.35 × 4,640.54
  4. Step 4: Simplify right side
    7,994.94x = 51,205,371.38
  5. Step 5: Solve for x
    x = 51,205,371.38/7,994.94
  6. Step 6: Final answer
    x = 6,404.72

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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.