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Finding the Fourth Proportional to 66,302.99, 91,496.67 and 36,087.56

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Solution

The fourth proportional to 66,302.99, 91,496.67 and 36,087.56 is: 49,800.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,302.99 : 91,496.67 = 36,087.56 : x
  2. Step 2: Convert to fraction form
    66,302.99/91,496.67 = 36,087.56/x
  3. Step 3: Cross multiply
    66,302.99x = 91,496.67 × 36,087.56
  4. Step 4: Simplify right side
    66,302.99x = 3,301,891,110.94
  5. Step 5: Solve for x
    x = 3,301,891,110.94/66,302.99
  6. Step 6: Final answer
    x = 49,800.04

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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.