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Finding the Fourth Proportional to 68,558.96, 94,612.86 and 48,451.32

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Solution

The fourth proportional to 68,558.96, 94,612.86 and 48,451.32 is: 66,863.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,558.96 : 94,612.86 = 48,451.32 : x
  2. Step 2: Convert to fraction form
    68,558.96/94,612.86 = 48,451.32/x
  3. Step 3: Cross multiply
    68,558.96x = 94,612.86 × 48,451.32
  4. Step 4: Simplify right side
    68,558.96x = 4,584,117,955.98
  5. Step 5: Solve for x
    x = 4,584,117,955.98/68,558.96
  6. Step 6: Final answer
    x = 66,863.88

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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.