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Finding the Fourth Proportional to 65,010.38, 89,716.10 and 36,716.07

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Solution

The fourth proportional to 65,010.38, 89,716.10 and 36,716.07 is: 50,669.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,010.38 : 89,716.10 = 36,716.07 : x
  2. Step 2: Convert to fraction form
    65,010.38/89,716.10 = 36,716.07/x
  3. Step 3: Cross multiply
    65,010.38x = 89,716.10 × 36,716.07
  4. Step 4: Simplify right side
    65,010.38x = 3,294,022,067.36
  5. Step 5: Solve for x
    x = 3,294,022,067.36/65,010.38
  6. Step 6: Final answer
    x = 50,669.17

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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.