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Finding the Fourth Proportional to 8,473.94, 11,693.19 and 4,889.22

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Solution

The fourth proportional to 8,473.94, 11,693.19 and 4,889.22 is: 6,746.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473.94 : 11,693.19 = 4,889.22 : x
  2. Step 2: Convert to fraction form
    8,473.94/11,693.19 = 4,889.22/x
  3. Step 3: Cross multiply
    8,473.94x = 11,693.19 × 4,889.22
  4. Step 4: Simplify right side
    8,473.94x = 57,170,578.41
  5. Step 5: Solve for x
    x = 57,170,578.41/8,473.94
  6. Step 6: Final answer
    x = 6,746.63

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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.