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Finding the Fourth Proportional to 69,955.73, 96,538.74 and 38,124.55

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Solution

The fourth proportional to 69,955.73, 96,538.74 and 38,124.55 is: 52,611.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,955.73 : 96,538.74 = 38,124.55 : x
  2. Step 2: Convert to fraction form
    69,955.73/96,538.74 = 38,124.55/x
  3. Step 3: Cross multiply
    69,955.73x = 96,538.74 × 38,124.55
  4. Step 4: Simplify right side
    69,955.73x = 3,680,496,020.07
  5. Step 5: Solve for x
    x = 3,680,496,020.07/69,955.73
  6. Step 6: Final answer
    x = 52,611.79

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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.