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Finding the Fourth Proportional to 66,998.52, 92,501.22 and 41,531.97

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Solution

The fourth proportional to 66,998.52, 92,501.22 and 41,531.97 is: 57,340.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,998.52 : 92,501.22 = 41,531.97 : x
  2. Step 2: Convert to fraction form
    66,998.52/92,501.22 = 41,531.97/x
  3. Step 3: Cross multiply
    66,998.52x = 92,501.22 × 41,531.97
  4. Step 4: Simplify right side
    66,998.52x = 3,841,757,894.00
  5. Step 5: Solve for x
    x = 3,841,757,894.00/66,998.52
  6. Step 6: Final answer
    x = 57,340.94

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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.