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Finding the Fourth Proportional to 55,911.57, 83,868.04 and 31,000.27

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Solution

The fourth proportional to 55,911.57, 83,868.04 and 31,000.27 is: 46,500.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,911.57 : 83,868.04 = 31,000.27 : x
  2. Step 2: Convert to fraction form
    55,911.57/83,868.04 = 31,000.27/x
  3. Step 3: Cross multiply
    55,911.57x = 83,868.04 × 31,000.27
  4. Step 4: Simplify right side
    55,911.57x = 2,599,931,884.37
  5. Step 5: Solve for x
    x = 2,599,931,884.37/55,911.57
  6. Step 6: Final answer
    x = 46,500.78

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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.