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Finding the Fourth Proportional to 85,892.58, 118,531.94 and 47,652.12

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Solution

The fourth proportional to 85,892.58, 118,531.94 and 47,652.12 is: 65,760.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,892.58 : 118,531.94 = 47,652.12 : x
  2. Step 2: Convert to fraction form
    85,892.58/118,531.94 = 47,652.12/x
  3. Step 3: Cross multiply
    85,892.58x = 118,531.94 × 47,652.12
  4. Step 4: Simplify right side
    85,892.58x = 5,648,297,990.45
  5. Step 5: Solve for x
    x = 5,648,297,990.45/85,892.58
  6. Step 6: Final answer
    x = 65,760.02

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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.