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Finding the Fourth Proportional to 47,245.92, 65,226.48 and 31,351.92

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Solution

The fourth proportional to 47,245.92, 65,226.48 and 31,351.92 is: 43,283.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,245.92 : 65,226.48 = 31,351.92 : x
  2. Step 2: Convert to fraction form
    47,245.92/65,226.48 = 31,351.92/x
  3. Step 3: Cross multiply
    47,245.92x = 65,226.48 × 31,351.92
  4. Step 4: Simplify right side
    47,245.92x = 2,044,975,382.84
  5. Step 5: Solve for x
    x = 2,044,975,382.84/47,245.92
  6. Step 6: Final answer
    x = 43,283.64

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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.