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Finding the Fourth Proportional to 5,541.96, 8,314.14 and 1,646.68

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Solution

The fourth proportional to 5,541.96, 8,314.14 and 1,646.68 is: 2,470.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.96 : 8,314.14 = 1,646.68 : x
  2. Step 2: Convert to fraction form
    5,541.96/8,314.14 = 1,646.68/x
  3. Step 3: Cross multiply
    5,541.96x = 8,314.14 × 1,646.68
  4. Step 4: Simplify right side
    5,541.96x = 13,690,728.06
  5. Step 5: Solve for x
    x = 13,690,728.06/5,541.96
  6. Step 6: Final answer
    x = 2,470.38

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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.