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Finding the Fourth Proportional to 34,701.75, 47,888.42 and 19,797.75

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Solution

The fourth proportional to 34,701.75, 47,888.42 and 19,797.75 is: 27,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,701.75 : 47,888.42 = 19,797.75 : x
  2. Step 2: Convert to fraction form
    34,701.75/47,888.42 = 19,797.75/x
  3. Step 3: Cross multiply
    34,701.75x = 47,888.42 × 19,797.75
  4. Step 4: Simplify right side
    34,701.75x = 948,082,868.07
  5. Step 5: Solve for x
    x = 948,082,868.07/34,701.75
  6. Step 6: Final answer
    x = 27,320.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.