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Finding the Fourth Proportional to 6,175.60, 9,241.80 and 5,657.20

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Solution

The fourth proportional to 6,175.60, 9,241.80 and 5,657.20 is: 8,466.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,175.60 : 9,241.80 = 5,657.20 : x
  2. Step 2: Convert to fraction form
    6,175.60/9,241.80 = 5,657.20/x
  3. Step 3: Cross multiply
    6,175.60x = 9,241.80 × 5,657.20
  4. Step 4: Simplify right side
    6,175.60x = 52,282,710.96
  5. Step 5: Solve for x
    x = 52,282,710.96/6,175.60
  6. Step 6: Final answer
    x = 8,466.01

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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.