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Finding the Fourth Proportional to 66,998.02, 92,500.53 and 41,531.47

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Solution

The fourth proportional to 66,998.02, 92,500.53 and 41,531.47 is: 57,340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,998.02 : 92,500.53 = 41,531.47 : x
  2. Step 2: Convert to fraction form
    66,998.02/92,500.53 = 41,531.47/x
  3. Step 3: Cross multiply
    66,998.02x = 92,500.53 × 41,531.47
  4. Step 4: Simplify right side
    66,998.02x = 3,841,682,755.43
  5. Step 5: Solve for x
    x = 3,841,682,755.43/66,998.02
  6. Step 6: Final answer
    x = 57,340.25

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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.