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Finding the Fourth Proportional to 71,893.80, 107,888.69 and 25,146.67

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Solution

The fourth proportional to 71,893.80, 107,888.69 and 25,146.67 is: 37,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,893.80 : 107,888.69 = 25,146.67 : x
  2. Step 2: Convert to fraction form
    71,893.80/107,888.69 = 25,146.67/x
  3. Step 3: Cross multiply
    71,893.80x = 107,888.69 × 25,146.67
  4. Step 4: Simplify right side
    71,893.80x = 2,713,041,158.43
  5. Step 5: Solve for x
    x = 2,713,041,158.43/71,893.80
  6. Step 6: Final answer
    x = 37,736.79

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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.