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Finding the Fourth Proportional to 64,676.63, 89,253.72 and 36,382.31

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Solution

The fourth proportional to 64,676.63, 89,253.72 and 36,382.31 is: 50,207.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,676.63 : 89,253.72 = 36,382.31 : x
  2. Step 2: Convert to fraction form
    64,676.63/89,253.72 = 36,382.31/x
  3. Step 3: Cross multiply
    64,676.63x = 89,253.72 × 36,382.31
  4. Step 4: Simplify right side
    64,676.63x = 3,247,257,002.50
  5. Step 5: Solve for x
    x = 3,247,257,002.50/64,676.63
  6. Step 6: Final answer
    x = 50,207.58

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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.