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Finding the Fourth Proportional to 59,689.80, 82,405.97 and 39,573.92

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Solution

The fourth proportional to 59,689.80, 82,405.97 and 39,573.92 is: 54,634.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,689.80 : 82,405.97 = 39,573.92 : x
  2. Step 2: Convert to fraction form
    59,689.80/82,405.97 = 39,573.92/x
  3. Step 3: Cross multiply
    59,689.80x = 82,405.97 × 39,573.92
  4. Step 4: Simplify right side
    59,689.80x = 3,261,126,654.40
  5. Step 5: Solve for x
    x = 3,261,126,654.40/59,689.80
  6. Step 6: Final answer
    x = 54,634.57

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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.