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Finding the Fourth Proportional to 57,990.97, 80,066.09 and 44,538.19

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Solution

The fourth proportional to 57,990.97, 80,066.09 and 44,538.19 is: 61,492.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,990.97 : 80,066.09 = 44,538.19 : x
  2. Step 2: Convert to fraction form
    57,990.97/80,066.09 = 44,538.19/x
  3. Step 3: Cross multiply
    57,990.97x = 80,066.09 × 44,538.19
  4. Step 4: Simplify right side
    57,990.97x = 3,565,998,640.16
  5. Step 5: Solve for x
    x = 3,565,998,640.16/57,990.97
  6. Step 6: Final answer
    x = 61,492.31

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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.