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Finding the Fourth Proportional to 6,086.86, 9,129.53 and 1,927.29

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Solution

The fourth proportional to 6,086.86, 9,129.53 and 1,927.29 is: 2,890.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,086.86 : 9,129.53 = 1,927.29 : x
  2. Step 2: Convert to fraction form
    6,086.86/9,129.53 = 1,927.29/x
  3. Step 3: Cross multiply
    6,086.86x = 9,129.53 × 1,927.29
  4. Step 4: Simplify right side
    6,086.86x = 17,595,280.09
  5. Step 5: Solve for x
    x = 17,595,280.09/6,086.86
  6. Step 6: Final answer
    x = 2,890.70

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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.