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Finding the Fourth Proportional to 34,950.78, 48,230.40 and 19,841.43

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Solution

The fourth proportional to 34,950.78, 48,230.40 and 19,841.43 is: 27,380.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,950.78 : 48,230.40 = 19,841.43 : x
  2. Step 2: Convert to fraction form
    34,950.78/48,230.40 = 19,841.43/x
  3. Step 3: Cross multiply
    34,950.78x = 48,230.40 × 19,841.43
  4. Step 4: Simplify right side
    34,950.78x = 956,960,105.47
  5. Step 5: Solve for x
    x = 956,960,105.47/34,950.78
  6. Step 6: Final answer
    x = 27,380.22

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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.