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Finding the Fourth Proportional to 8,007.74, 11,044.60 and 6,890.55

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Solution

The fourth proportional to 8,007.74, 11,044.60 and 6,890.55 is: 9,503.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.74 : 11,044.60 = 6,890.55 : x
  2. Step 2: Convert to fraction form
    8,007.74/11,044.60 = 6,890.55/x
  3. Step 3: Cross multiply
    8,007.74x = 11,044.60 × 6,890.55
  4. Step 4: Simplify right side
    8,007.74x = 76,103,368.53
  5. Step 5: Solve for x
    x = 76,103,368.53/8,007.74
  6. Step 6: Final answer
    x = 9,503.73

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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.