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Finding the Fourth Proportional to 70,059.93, 96,685.03 and 38,230.57

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Solution

The fourth proportional to 70,059.93, 96,685.03 and 38,230.57 is: 52,759.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,059.93 : 96,685.03 = 38,230.57 : x
  2. Step 2: Convert to fraction form
    70,059.93/96,685.03 = 38,230.57/x
  3. Step 3: Cross multiply
    70,059.93x = 96,685.03 × 38,230.57
  4. Step 4: Simplify right side
    70,059.93x = 3,696,323,832.65
  5. Step 5: Solve for x
    x = 3,696,323,832.65/70,059.93
  6. Step 6: Final answer
    x = 52,759.46

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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.