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Finding the Fourth Proportional to 65,858.80, 98,813.46 and 26,427.20

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Solution

The fourth proportional to 65,858.80, 98,813.46 and 26,427.20 is: 39,650.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,858.80 : 98,813.46 = 26,427.20 : x
  2. Step 2: Convert to fraction form
    65,858.80/98,813.46 = 26,427.20/x
  3. Step 3: Cross multiply
    65,858.80x = 98,813.46 × 26,427.20
  4. Step 4: Simplify right side
    65,858.80x = 2,611,363,070.11
  5. Step 5: Solve for x
    x = 2,611,363,070.11/65,858.80
  6. Step 6: Final answer
    x = 39,650.94

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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.