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Finding the Fourth Proportional to 70,083.63, 96,716.13 and 38,253.06

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Solution

The fourth proportional to 70,083.63, 96,716.13 and 38,253.06 is: 52,789.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,083.63 : 96,716.13 = 38,253.06 : x
  2. Step 2: Convert to fraction form
    70,083.63/96,716.13 = 38,253.06/x
  3. Step 3: Cross multiply
    70,083.63x = 96,716.13 × 38,253.06
  4. Step 4: Simplify right side
    70,083.63x = 3,699,687,923.86
  5. Step 5: Solve for x
    x = 3,699,687,923.86/70,083.63
  6. Step 6: Final answer
    x = 52,789.62

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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.