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Finding the Fourth Proportional to 65,949.52, 91,008.36 and 37,649.68

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Solution

The fourth proportional to 65,949.52, 91,008.36 and 37,649.68 is: 51,955.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,949.52 : 91,008.36 = 37,649.68 : x
  2. Step 2: Convert to fraction form
    65,949.52/91,008.36 = 37,649.68/x
  3. Step 3: Cross multiply
    65,949.52x = 91,008.36 × 37,649.68
  4. Step 4: Simplify right side
    65,949.52x = 3,426,435,631.32
  5. Step 5: Solve for x
    x = 3,426,435,631.32/65,949.52
  6. Step 6: Final answer
    x = 51,955.43

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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.