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Finding the Fourth Proportional to 10,818.88, 14,930.05 and 5,850.88

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Solution

The fourth proportional to 10,818.88, 14,930.05 and 5,850.88 is: 8,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.88 : 14,930.05 = 5,850.88 : x
  2. Step 2: Convert to fraction form
    10,818.88/14,930.05 = 5,850.88/x
  3. Step 3: Cross multiply
    10,818.88x = 14,930.05 × 5,850.88
  4. Step 4: Simplify right side
    10,818.88x = 87,353,930.94
  5. Step 5: Solve for x
    x = 87,353,930.94/10,818.88
  6. Step 6: Final answer
    x = 8,074.21

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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.