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Finding the Fourth Proportional to 65,241.86, 97,714.08 and 38,892.15

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Solution

The fourth proportional to 65,241.86, 97,714.08 and 38,892.15 is: 58,249.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,241.86 : 97,714.08 = 38,892.15 : x
  2. Step 2: Convert to fraction form
    65,241.86/97,714.08 = 38,892.15/x
  3. Step 3: Cross multiply
    65,241.86x = 97,714.08 × 38,892.15
  4. Step 4: Simplify right side
    65,241.86x = 3,800,310,656.47
  5. Step 5: Solve for x
    x = 3,800,310,656.47/65,241.86
  6. Step 6: Final answer
    x = 58,249.58

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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.