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Finding the Fourth Proportional to 8,423.88, 11,625.99 and 5,068.44

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Solution

The fourth proportional to 8,423.88, 11,625.99 and 5,068.44 is: 6,995.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.88 : 11,625.99 = 5,068.44 : x
  2. Step 2: Convert to fraction form
    8,423.88/11,625.99 = 5,068.44/x
  3. Step 3: Cross multiply
    8,423.88x = 11,625.99 × 5,068.44
  4. Step 4: Simplify right side
    8,423.88x = 58,925,632.76
  5. Step 5: Solve for x
    x = 58,925,632.76/8,423.88
  6. Step 6: Final answer
    x = 6,995.07

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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.