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Finding the Fourth Proportional to 6,160.75, 9,241.13 and 1,543.75

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Solution

The fourth proportional to 6,160.75, 9,241.13 and 1,543.75 is: 2,315.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,160.75 : 9,241.13 = 1,543.75 : x
  2. Step 2: Convert to fraction form
    6,160.75/9,241.13 = 1,543.75/x
  3. Step 3: Cross multiply
    6,160.75x = 9,241.13 × 1,543.75
  4. Step 4: Simplify right side
    6,160.75x = 14,265,994.44
  5. Step 5: Solve for x
    x = 14,265,994.44/6,160.75
  6. Step 6: Final answer
    x = 2,315.63

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Half scale
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Double scale
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Similar ratio
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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.