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Finding the Fourth Proportional to 8,020.69, 11,068.10 and 4,435.44

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Solution

The fourth proportional to 8,020.69, 11,068.10 and 4,435.44 is: 6,120.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.69 : 11,068.10 = 4,435.44 : x
  2. Step 2: Convert to fraction form
    8,020.69/11,068.10 = 4,435.44/x
  3. Step 3: Cross multiply
    8,020.69x = 11,068.10 × 4,435.44
  4. Step 4: Simplify right side
    8,020.69x = 49,091,893.46
  5. Step 5: Solve for x
    x = 49,091,893.46/8,020.69
  6. Step 6: Final answer
    x = 6,120.66

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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.