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Finding the Fourth Proportional to 55,604.46, 83,371.65 and 47,173.91

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Solution

The fourth proportional to 55,604.46, 83,371.65 and 47,173.91 is: 70,731.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,604.46 : 83,371.65 = 47,173.91 : x
  2. Step 2: Convert to fraction form
    55,604.46/83,371.65 = 47,173.91/x
  3. Step 3: Cross multiply
    55,604.46x = 83,371.65 × 47,173.91
  4. Step 4: Simplify right side
    55,604.46x = 3,932,966,713.65
  5. Step 5: Solve for x
    x = 3,932,966,713.65/55,604.46
  6. Step 6: Final answer
    x = 70,731.14

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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.