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Finding the Fourth Proportional to 65,365.86, 98,048.79 and 45,682.86

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Solution

The fourth proportional to 65,365.86, 98,048.79 and 45,682.86 is: 68,524.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,365.86 : 98,048.79 = 45,682.86 : x
  2. Step 2: Convert to fraction form
    65,365.86/98,048.79 = 45,682.86/x
  3. Step 3: Cross multiply
    65,365.86x = 98,048.79 × 45,682.86
  4. Step 4: Simplify right side
    65,365.86x = 4,479,149,146.74
  5. Step 5: Solve for x
    x = 4,479,149,146.74/65,365.86
  6. Step 6: Final answer
    x = 68,524.29

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Similar ratio
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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.