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Finding the Fourth Proportional to 6,409.56, 9,614.34 and 1,792.56

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Solution

The fourth proportional to 6,409.56, 9,614.34 and 1,792.56 is: 2,688.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409.56 : 9,614.34 = 1,792.56 : x
  2. Step 2: Convert to fraction form
    6,409.56/9,614.34 = 1,792.56/x
  3. Step 3: Cross multiply
    6,409.56x = 9,614.34 × 1,792.56
  4. Step 4: Simplify right side
    6,409.56x = 17,234,281.31
  5. Step 5: Solve for x
    x = 17,234,281.31/6,409.56
  6. Step 6: Final answer
    x = 2,688.84

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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.