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Finding the Fourth Proportional to 65,551.56, 90,461.26 and 37,257.26

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Solution

The fourth proportional to 65,551.56, 90,461.26 and 37,257.26 is: 51,415.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,551.56 : 90,461.26 = 37,257.26 : x
  2. Step 2: Convert to fraction form
    65,551.56/90,461.26 = 37,257.26/x
  3. Step 3: Cross multiply
    65,551.56x = 90,461.26 × 37,257.26
  4. Step 4: Simplify right side
    65,551.56x = 3,370,338,683.75
  5. Step 5: Solve for x
    x = 3,370,338,683.75/65,551.56
  6. Step 6: Final answer
    x = 51,415.08

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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.