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Finding the Fourth Proportional to 66,703.73, 92,051.12 and 36,489.05

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Solution

The fourth proportional to 66,703.73, 92,051.12 and 36,489.05 is: 50,354.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,703.73 : 92,051.12 = 36,489.05 : x
  2. Step 2: Convert to fraction form
    66,703.73/92,051.12 = 36,489.05/x
  3. Step 3: Cross multiply
    66,703.73x = 92,051.12 × 36,489.05
  4. Step 4: Simplify right side
    66,703.73x = 3,358,857,517.51
  5. Step 5: Solve for x
    x = 3,358,857,517.51/66,703.73
  6. Step 6: Final answer
    x = 50,354.87

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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.