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Finding the Fourth Proportional to 6,125.50, 8,453.90 and 3,437.46

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Solution

The fourth proportional to 6,125.50, 8,453.90 and 3,437.46 is: 4,744.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.50 : 8,453.90 = 3,437.46 : x
  2. Step 2: Convert to fraction form
    6,125.50/8,453.90 = 3,437.46/x
  3. Step 3: Cross multiply
    6,125.50x = 8,453.90 × 3,437.46
  4. Step 4: Simplify right side
    6,125.50x = 29,059,943.09
  5. Step 5: Solve for x
    x = 29,059,943.09/6,125.50
  6. Step 6: Final answer
    x = 4,744.09

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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.