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Finding the Fourth Proportional to 65,954.64, 91,021.88 and 37,264.36

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Solution

The fourth proportional to 65,954.64, 91,021.88 and 37,264.36 is: 51,427.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,954.64 : 91,021.88 = 37,264.36 : x
  2. Step 2: Convert to fraction form
    65,954.64/91,021.88 = 37,264.36/x
  3. Step 3: Cross multiply
    65,954.64x = 91,021.88 × 37,264.36
  4. Step 4: Simplify right side
    65,954.64x = 3,391,872,104.20
  5. Step 5: Solve for x
    x = 3,391,872,104.20/65,954.64
  6. Step 6: Final answer
    x = 51,427.35

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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.