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Finding the Fourth Proportional to 6,833.30, 9,430.85 and 3,849.71

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Solution

The fourth proportional to 6,833.30, 9,430.85 and 3,849.71 is: 5,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,833.30 : 9,430.85 = 3,849.71 : x
  2. Step 2: Convert to fraction form
    6,833.30/9,430.85 = 3,849.71/x
  3. Step 3: Cross multiply
    6,833.30x = 9,430.85 × 3,849.71
  4. Step 4: Simplify right side
    6,833.30x = 36,306,018.30
  5. Step 5: Solve for x
    x = 36,306,018.30/6,833.30
  6. Step 6: Final answer
    x = 5,313.10

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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.