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Finding the Fourth Proportional to 65,663.80, 98,466.90 and 26,207.80

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Solution

The fourth proportional to 65,663.80, 98,466.90 and 26,207.80 is: 39,300.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,663.80 : 98,466.90 = 26,207.80 : x
  2. Step 2: Convert to fraction form
    65,663.80/98,466.90 = 26,207.80/x
  3. Step 3: Cross multiply
    65,663.80x = 98,466.90 × 26,207.80
  4. Step 4: Simplify right side
    65,663.80x = 2,580,600,821.82
  5. Step 5: Solve for x
    x = 2,580,600,821.82/65,663.80
  6. Step 6: Final answer
    x = 39,300.21

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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.