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Finding the Fourth Proportional to 66,334.55, 99,549.91 and 49,739.27

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Solution

The fourth proportional to 66,334.55, 99,549.91 and 49,739.27 is: 74,644.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,334.55 : 99,549.91 = 49,739.27 : x
  2. Step 2: Convert to fraction form
    66,334.55/99,549.91 = 49,739.27/x
  3. Step 3: Cross multiply
    66,334.55x = 99,549.91 × 49,739.27
  4. Step 4: Simplify right side
    66,334.55x = 4,951,539,416.39
  5. Step 5: Solve for x
    x = 4,951,539,416.39/66,334.55
  6. Step 6: Final answer
    x = 74,644.96

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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.