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Finding the Fourth Proportional to 65,300.88, 97,893.92 and 25,885.68

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Solution

The fourth proportional to 65,300.88, 97,893.92 and 25,885.68 is: 38,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,300.88 : 97,893.92 = 25,885.68 : x
  2. Step 2: Convert to fraction form
    65,300.88/97,893.92 = 25,885.68/x
  3. Step 3: Cross multiply
    65,300.88x = 97,893.92 × 25,885.68
  4. Step 4: Simplify right side
    65,300.88x = 2,534,050,687.07
  5. Step 5: Solve for x
    x = 2,534,050,687.07/65,300.88
  6. Step 6: Final answer
    x = 38,805.77

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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.