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Finding the Fourth Proportional to 25,265.70, 37,910.70 and 19,340.55

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Solution

The fourth proportional to 25,265.70, 37,910.70 and 19,340.55 is: 29,020.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,265.70 : 37,910.70 = 19,340.55 : x
  2. Step 2: Convert to fraction form
    25,265.70/37,910.70 = 19,340.55/x
  3. Step 3: Cross multiply
    25,265.70x = 37,910.70 × 19,340.55
  4. Step 4: Simplify right side
    25,265.70x = 733,213,788.89
  5. Step 5: Solve for x
    x = 733,213,788.89/25,265.70
  6. Step 6: Final answer
    x = 29,020.13

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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.