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Finding the Fourth Proportional to 65,725.56, 90,700.68 and 37,054.41

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Solution

The fourth proportional to 65,725.56, 90,700.68 and 37,054.41 is: 51,134.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,725.56 : 90,700.68 = 37,054.41 : x
  2. Step 2: Convert to fraction form
    65,725.56/90,700.68 = 37,054.41/x
  3. Step 3: Cross multiply
    65,725.56x = 90,700.68 × 37,054.41
  4. Step 4: Simplify right side
    65,725.56x = 3,360,860,184.00
  5. Step 5: Solve for x
    x = 3,360,860,184.00/65,725.56
  6. Step 6: Final answer
    x = 51,134.75

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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.