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Finding the Fourth Proportional to 65,262.55, 97,893.91 and 17,878.05

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Solution

The fourth proportional to 65,262.55, 97,893.91 and 17,878.05 is: 26,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,262.55 : 97,893.91 = 17,878.05 : x
  2. Step 2: Convert to fraction form
    65,262.55/97,893.91 = 17,878.05/x
  3. Step 3: Cross multiply
    65,262.55x = 97,893.91 × 17,878.05
  4. Step 4: Simplify right side
    65,262.55x = 1,750,152,540.08
  5. Step 5: Solve for x
    x = 1,750,152,540.08/65,262.55
  6. Step 6: Final answer
    x = 26,817.10

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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.