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Finding the Fourth Proportional to 6,160.80, 9,241.20 and 2,056.80

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Solution

The fourth proportional to 6,160.80, 9,241.20 and 2,056.80 is: 3,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,160.80 : 9,241.20 = 2,056.80 : x
  2. Step 2: Convert to fraction form
    6,160.80/9,241.20 = 2,056.80/x
  3. Step 3: Cross multiply
    6,160.80x = 9,241.20 × 2,056.80
  4. Step 4: Simplify right side
    6,160.80x = 19,007,300.16
  5. Step 5: Solve for x
    x = 19,007,300.16/6,160.80
  6. Step 6: Final answer
    x = 3,085.20

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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.