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Finding the Fourth Proportional to 67,840.96, 93,619.92 and 38,032.96

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Solution

The fourth proportional to 67,840.96, 93,619.92 and 38,032.96 is: 52,485.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,840.96 : 93,619.92 = 38,032.96 : x
  2. Step 2: Convert to fraction form
    67,840.96/93,619.92 = 38,032.96/x
  3. Step 3: Cross multiply
    67,840.96x = 93,619.92 × 38,032.96
  4. Step 4: Simplify right side
    67,840.96x = 3,560,642,672.56
  5. Step 5: Solve for x
    x = 3,560,642,672.56/67,840.96
  6. Step 6: Final answer
    x = 52,485.15

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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.