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Finding the Fourth Proportional to 68,572.96, 94,635.52 and 38,361.12

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Solution

The fourth proportional to 68,572.96, 94,635.52 and 38,361.12 is: 52,941.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,572.96 : 94,635.52 = 38,361.12 : x
  2. Step 2: Convert to fraction form
    68,572.96/94,635.52 = 38,361.12/x
  3. Step 3: Cross multiply
    68,572.96x = 94,635.52 × 38,361.12
  4. Step 4: Simplify right side
    68,572.96x = 3,630,324,538.98
  5. Step 5: Solve for x
    x = 3,630,324,538.98/68,572.96
  6. Step 6: Final answer
    x = 52,941.05

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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.