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Finding the Fourth Proportional to 66,433.74, 91,673.96 and 37,366.47

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Solution

The fourth proportional to 66,433.74, 91,673.96 and 37,366.47 is: 51,563.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433.74 : 91,673.96 = 37,366.47 : x
  2. Step 2: Convert to fraction form
    66,433.74/91,673.96 = 37,366.47/x
  3. Step 3: Cross multiply
    66,433.74x = 91,673.96 × 37,366.47
  4. Step 4: Simplify right side
    66,433.74x = 3,425,532,089.29
  5. Step 5: Solve for x
    x = 3,425,532,089.29/66,433.74
  6. Step 6: Final answer
    x = 51,563.14

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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.