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Finding the Fourth Proportional to 70,284.60, 96,992.67 and 38,453.70

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Solution

The fourth proportional to 70,284.60, 96,992.67 and 38,453.70 is: 53,066.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,284.60 : 96,992.67 = 38,453.70 : x
  2. Step 2: Convert to fraction form
    70,284.60/96,992.67 = 38,453.70/x
  3. Step 3: Cross multiply
    70,284.60x = 96,992.67 × 38,453.70
  4. Step 4: Simplify right side
    70,284.60x = 3,729,727,034.38
  5. Step 5: Solve for x
    x = 3,729,727,034.38/70,284.60
  6. Step 6: Final answer
    x = 53,066.06

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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.