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Finding the Fourth Proportional to 64,713.72, 97,080.12 and 33,141.62

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Solution

The fourth proportional to 64,713.72, 97,080.12 and 33,141.62 is: 49,717.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,713.72 : 97,080.12 = 33,141.62 : x
  2. Step 2: Convert to fraction form
    64,713.72/97,080.12 = 33,141.62/x
  3. Step 3: Cross multiply
    64,713.72x = 97,080.12 × 33,141.62
  4. Step 4: Simplify right side
    64,713.72x = 3,217,392,446.59
  5. Step 5: Solve for x
    x = 3,217,392,446.59/64,713.72
  6. Step 6: Final answer
    x = 49,717.32

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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.