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Finding the Fourth Proportional to 66,416.01, 91,654.10 and 36,608.01

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Solution

The fourth proportional to 66,416.01, 91,654.10 and 36,608.01 is: 50,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,416.01 : 91,654.10 = 36,608.01 : x
  2. Step 2: Convert to fraction form
    66,416.01/91,654.10 = 36,608.01/x
  3. Step 3: Cross multiply
    66,416.01x = 91,654.10 × 36,608.01
  4. Step 4: Simplify right side
    66,416.01x = 3,355,274,026.30
  5. Step 5: Solve for x
    x = 3,355,274,026.30/66,416.01
  6. Step 6: Final answer
    x = 50,519.05

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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.