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Finding the Fourth Proportional to 70,066.99, 96,694.50 and 38,237.94

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Solution

The fourth proportional to 70,066.99, 96,694.50 and 38,237.94 is: 52,769.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,066.99 : 96,694.50 = 38,237.94 : x
  2. Step 2: Convert to fraction form
    70,066.99/96,694.50 = 38,237.94/x
  3. Step 3: Cross multiply
    70,066.99x = 96,694.50 × 38,237.94
  4. Step 4: Simplify right side
    70,066.99x = 3,697,398,489.33
  5. Step 5: Solve for x
    x = 3,697,398,489.33/70,066.99
  6. Step 6: Final answer
    x = 52,769.48

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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.