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Finding the Fourth Proportional to 65,759.85, 98,541.09 and 39,435.66

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Solution

The fourth proportional to 65,759.85, 98,541.09 and 39,435.66 is: 59,094.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,759.85 : 98,541.09 = 39,435.66 : x
  2. Step 2: Convert to fraction form
    65,759.85/98,541.09 = 39,435.66/x
  3. Step 3: Cross multiply
    65,759.85x = 98,541.09 × 39,435.66
  4. Step 4: Simplify right side
    65,759.85x = 3,886,032,921.27
  5. Step 5: Solve for x
    x = 3,886,032,921.27/65,759.85
  6. Step 6: Final answer
    x = 59,094.31

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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.