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Finding the Fourth Proportional to 70,059.88, 96,684.97 and 38,230.52

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Solution

The fourth proportional to 70,059.88, 96,684.97 and 38,230.52 is: 52,759.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,059.88 : 96,684.97 = 38,230.52 : x
  2. Step 2: Convert to fraction form
    70,059.88/96,684.97 = 38,230.52/x
  3. Step 3: Cross multiply
    70,059.88x = 96,684.97 × 38,230.52
  4. Step 4: Simplify right side
    70,059.88x = 3,696,316,729.84
  5. Step 5: Solve for x
    x = 3,696,316,729.84/70,059.88
  6. Step 6: Final answer
    x = 52,759.39

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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.