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Finding the Fourth Proportional to 65,862.10, 98,797.77 and 26,419.22

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Solution

The fourth proportional to 65,862.10, 98,797.77 and 26,419.22 is: 39,630.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,862.10 : 98,797.77 = 26,419.22 : x
  2. Step 2: Convert to fraction form
    65,862.10/98,797.77 = 26,419.22/x
  3. Step 3: Cross multiply
    65,862.10x = 98,797.77 × 26,419.22
  4. Step 4: Simplify right side
    65,862.10x = 2,610,159,527.15
  5. Step 5: Solve for x
    x = 2,610,159,527.15/65,862.10
  6. Step 6: Final answer
    x = 39,630.68

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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.