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Finding the Fourth Proportional to 53,257.97, 79,810.82 and 39,106.97

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Solution

The fourth proportional to 53,257.97, 79,810.82 and 39,106.97 is: 58,604.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,257.97 : 79,810.82 = 39,106.97 : x
  2. Step 2: Convert to fraction form
    53,257.97/79,810.82 = 39,106.97/x
  3. Step 3: Cross multiply
    53,257.97x = 79,810.82 × 39,106.97
  4. Step 4: Simplify right side
    53,257.97x = 3,121,159,194.77
  5. Step 5: Solve for x
    x = 3,121,159,194.77/53,257.97
  6. Step 6: Final answer
    x = 58,604.54

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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.