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Finding the Fourth Proportional to 51,516.54, 77,174.54 and 37,983.06

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Solution

The fourth proportional to 51,516.54, 77,174.54 and 37,983.06 is: 56,900.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,516.54 : 77,174.54 = 37,983.06 : x
  2. Step 2: Convert to fraction form
    51,516.54/77,174.54 = 37,983.06/x
  3. Step 3: Cross multiply
    51,516.54x = 77,174.54 × 37,983.06
  4. Step 4: Simplify right side
    51,516.54x = 2,931,324,993.38
  5. Step 5: Solve for x
    x = 2,931,324,993.38/51,516.54
  6. Step 6: Final answer
    x = 56,900.66

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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.