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Finding the Fourth Proportional to 6,241.45, 8,612.22 and 3,588.34

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Solution

The fourth proportional to 6,241.45, 8,612.22 and 3,588.34 is: 4,951.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,241.45 : 8,612.22 = 3,588.34 : x
  2. Step 2: Convert to fraction form
    6,241.45/8,612.22 = 3,588.34/x
  3. Step 3: Cross multiply
    6,241.45x = 8,612.22 × 3,588.34
  4. Step 4: Simplify right side
    6,241.45x = 30,903,573.51
  5. Step 5: Solve for x
    x = 30,903,573.51/6,241.45
  6. Step 6: Final answer
    x = 4,951.35

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Half scale
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Double scale
Find fourth proportional to 6,242.45, 8,613.60 and 3,589.34
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.