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Finding the Fourth Proportional to 65,493.45, 98,170.23 and 37,352.91

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Solution

The fourth proportional to 65,493.45, 98,170.23 and 37,352.91 is: 55,989.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,493.45 : 98,170.23 = 37,352.91 : x
  2. Step 2: Convert to fraction form
    65,493.45/98,170.23 = 37,352.91/x
  3. Step 3: Cross multiply
    65,493.45x = 98,170.23 × 37,352.91
  4. Step 4: Simplify right side
    65,493.45x = 3,666,943,765.87
  5. Step 5: Solve for x
    x = 3,666,943,765.87/65,493.45
  6. Step 6: Final answer
    x = 55,989.47

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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.