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Finding the Fourth Proportional to 27,951.80, 41,927.70 and 25,813.40

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Solution

The fourth proportional to 27,951.80, 41,927.70 and 25,813.40 is: 38,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,951.80 : 41,927.70 = 25,813.40 : x
  2. Step 2: Convert to fraction form
    27,951.80/41,927.70 = 25,813.40/x
  3. Step 3: Cross multiply
    27,951.80x = 41,927.70 × 25,813.40
  4. Step 4: Simplify right side
    27,951.80x = 1,082,296,491.18
  5. Step 5: Solve for x
    x = 1,082,296,491.18/27,951.80
  6. Step 6: Final answer
    x = 38,720.10

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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.