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Finding the Fourth Proportional to 65,329.26, 90,152.64 and 37,034.88

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Solution

The fourth proportional to 65,329.26, 90,152.64 and 37,034.88 is: 51,107.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,329.26 : 90,152.64 = 37,034.88 : x
  2. Step 2: Convert to fraction form
    65,329.26/90,152.64 = 37,034.88/x
  3. Step 3: Cross multiply
    65,329.26x = 90,152.64 × 37,034.88
  4. Step 4: Simplify right side
    65,329.26x = 3,338,792,204.08
  5. Step 5: Solve for x
    x = 3,338,792,204.08/65,329.26
  6. Step 6: Final answer
    x = 51,107.15

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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.