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Finding the Fourth Proportional to 6,086.76, 9,129.99 and 3,330.94

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Solution

The fourth proportional to 6,086.76, 9,129.99 and 3,330.94 is: 4,996.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,086.76 : 9,129.99 = 3,330.94 : x
  2. Step 2: Convert to fraction form
    6,086.76/9,129.99 = 3,330.94/x
  3. Step 3: Cross multiply
    6,086.76x = 9,129.99 × 3,330.94
  4. Step 4: Simplify right side
    6,086.76x = 30,411,403.24
  5. Step 5: Solve for x
    x = 30,411,403.24/6,086.76
  6. Step 6: Final answer
    x = 4,996.32

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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.