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Finding the Fourth Proportional to 70,759.41, 97,647.98 and 38,927.62

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Solution

The fourth proportional to 70,759.41, 97,647.98 and 38,927.62 is: 53,720.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,759.41 : 97,647.98 = 38,927.62 : x
  2. Step 2: Convert to fraction form
    70,759.41/97,647.98 = 38,927.62/x
  3. Step 3: Cross multiply
    70,759.41x = 97,647.98 × 38,927.62
  4. Step 4: Simplify right side
    70,759.41x = 3,801,203,605.60
  5. Step 5: Solve for x
    x = 3,801,203,605.60/70,759.41
  6. Step 6: Final answer
    x = 53,720.12

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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.