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Finding the Fourth Proportional to 8,750.52, 13,114.70 and 3,818.84

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Solution

The fourth proportional to 8,750.52, 13,114.70 and 3,818.84 is: 5,723.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.52 : 13,114.70 = 3,818.84 : x
  2. Step 2: Convert to fraction form
    8,750.52/13,114.70 = 3,818.84/x
  3. Step 3: Cross multiply
    8,750.52x = 13,114.70 × 3,818.84
  4. Step 4: Simplify right side
    8,750.52x = 50,082,940.95
  5. Step 5: Solve for x
    x = 50,082,940.95/8,750.52
  6. Step 6: Final answer
    x = 5,723.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.