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Finding the Fourth Proportional to 6,129.85, 9,187.58 and 2,835.99

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Solution

The fourth proportional to 6,129.85, 9,187.58 and 2,835.99 is: 4,250.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.85 : 9,187.58 = 2,835.99 : x
  2. Step 2: Convert to fraction form
    6,129.85/9,187.58 = 2,835.99/x
  3. Step 3: Cross multiply
    6,129.85x = 9,187.58 × 2,835.99
  4. Step 4: Simplify right side
    6,129.85x = 26,055,824.89
  5. Step 5: Solve for x
    x = 26,055,824.89/6,129.85
  6. Step 6: Final answer
    x = 4,250.65

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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.