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Finding the Fourth Proportional to 8,241.60, 11,360.44 and 6,244.12

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Solution

The fourth proportional to 8,241.60, 11,360.44 and 6,244.12 is: 8,607.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.60 : 11,360.44 = 6,244.12 : x
  2. Step 2: Convert to fraction form
    8,241.60/11,360.44 = 6,244.12/x
  3. Step 3: Cross multiply
    8,241.60x = 11,360.44 × 6,244.12
  4. Step 4: Simplify right side
    8,241.60x = 70,935,950.61
  5. Step 5: Solve for x
    x = 70,935,950.61/8,241.60
  6. Step 6: Final answer
    x = 8,607.06

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Half scale
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Double scale
Find fourth proportional to 8,242.60, 11,361.82 and 6,245.12
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.