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Finding the Fourth Proportional to 10,615.92, 14,650.11 and 5,900.64

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Solution

The fourth proportional to 10,615.92, 14,650.11 and 5,900.64 is: 8,142.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,615.92 : 14,650.11 = 5,900.64 : x
  2. Step 2: Convert to fraction form
    10,615.92/14,650.11 = 5,900.64/x
  3. Step 3: Cross multiply
    10,615.92x = 14,650.11 × 5,900.64
  4. Step 4: Simplify right side
    10,615.92x = 86,445,025.07
  5. Step 5: Solve for x
    x = 86,445,025.07/10,615.92
  6. Step 6: Final answer
    x = 8,142.96

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Similar ratio
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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.