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Finding the Fourth Proportional to 7,881.06, 11,829.05 and 5,794.71

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Solution

The fourth proportional to 7,881.06, 11,829.05 and 5,794.71 is: 8,697.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.06 : 11,829.05 = 5,794.71 : x
  2. Step 2: Convert to fraction form
    7,881.06/11,829.05 = 5,794.71/x
  3. Step 3: Cross multiply
    7,881.06x = 11,829.05 × 5,794.71
  4. Step 4: Simplify right side
    7,881.06x = 68,545,914.33
  5. Step 5: Solve for x
    x = 68,545,914.33/7,881.06
  6. Step 6: Final answer
    x = 8,697.55

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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.