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Finding the Fourth Proportional to 65,149.11, 97,698.56 and 27,726.91

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Solution

The fourth proportional to 65,149.11, 97,698.56 and 27,726.91 is: 41,579.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,149.11 : 97,698.56 = 27,726.91 : x
  2. Step 2: Convert to fraction form
    65,149.11/97,698.56 = 27,726.91/x
  3. Step 3: Cross multiply
    65,149.11x = 97,698.56 × 27,726.91
  4. Step 4: Simplify right side
    65,149.11x = 2,708,878,797.37
  5. Step 5: Solve for x
    x = 2,708,878,797.37/65,149.11
  6. Step 6: Final answer
    x = 41,579.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.