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Finding the Fourth Proportional to 66,596.55, 91,901.71 and 36,382

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Solution

The fourth proportional to 66,596.55, 91,901.71 and 36,382 is: 50,206.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,596.55 : 91,901.71 = 36,382 : x
  2. Step 2: Convert to fraction form
    66,596.55/91,901.71 = 36,382/x
  3. Step 3: Cross multiply
    66,596.55x = 91,901.71 × 36,382
  4. Step 4: Simplify right side
    66,596.55x = 3,343,568,013.22
  5. Step 5: Solve for x
    x = 3,343,568,013.22/66,596.55
  6. Step 6: Final answer
    x = 50,206.32

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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.