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Finding the Fourth Proportional to 10,579.94, 14,600.10 and 6,388.22

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Solution

The fourth proportional to 10,579.94, 14,600.10 and 6,388.22 is: 8,815.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,579.94 : 14,600.10 = 6,388.22 : x
  2. Step 2: Convert to fraction form
    10,579.94/14,600.10 = 6,388.22/x
  3. Step 3: Cross multiply
    10,579.94x = 14,600.10 × 6,388.22
  4. Step 4: Simplify right side
    10,579.94x = 93,268,650.82
  5. Step 5: Solve for x
    x = 93,268,650.82/10,579.94
  6. Step 6: Final answer
    x = 8,815.61

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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.