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Finding the Fourth Proportional to 65,977.88, 91,050.48 and 37,683.62

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Solution

The fourth proportional to 65,977.88, 91,050.48 and 37,683.62 is: 52,003.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,977.88 : 91,050.48 = 37,683.62 : x
  2. Step 2: Convert to fraction form
    65,977.88/91,050.48 = 37,683.62/x
  3. Step 3: Cross multiply
    65,977.88x = 91,050.48 × 37,683.62
  4. Step 4: Simplify right side
    65,977.88x = 3,431,111,689.14
  5. Step 5: Solve for x
    x = 3,431,111,689.14/65,977.88
  6. Step 6: Final answer
    x = 52,003.97

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1.5x scale

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.