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Finding the Fourth Proportional to 34,707.42, 47,891.07 and 19,599.78

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Solution

The fourth proportional to 34,707.42, 47,891.07 and 19,599.78 is: 27,044.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,707.42 : 47,891.07 = 19,599.78 : x
  2. Step 2: Convert to fraction form
    34,707.42/47,891.07 = 19,599.78/x
  3. Step 3: Cross multiply
    34,707.42x = 47,891.07 × 19,599.78
  4. Step 4: Simplify right side
    34,707.42x = 938,654,435.96
  5. Step 5: Solve for x
    x = 938,654,435.96/34,707.42
  6. Step 6: Final answer
    x = 27,044.78

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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.