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Finding the Fourth Proportional to 64,481.72, 96,760.17 and 27,038.91

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Solution

The fourth proportional to 64,481.72, 96,760.17 and 27,038.91 is: 40,574.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,481.72 : 96,760.17 = 27,038.91 : x
  2. Step 2: Convert to fraction form
    64,481.72/96,760.17 = 27,038.91/x
  3. Step 3: Cross multiply
    64,481.72x = 96,760.17 × 27,038.91
  4. Step 4: Simplify right side
    64,481.72x = 2,616,289,891.07
  5. Step 5: Solve for x
    x = 2,616,289,891.07/64,481.72
  6. Step 6: Final answer
    x = 40,574.13

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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.