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Finding the Fourth Proportional to 65,236.93, 97,855.44 and 15,988.93

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Solution

The fourth proportional to 65,236.93, 97,855.44 and 15,988.93 is: 23,983.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,236.93 : 97,855.44 = 15,988.93 : x
  2. Step 2: Convert to fraction form
    65,236.93/97,855.44 = 15,988.93/x
  3. Step 3: Cross multiply
    65,236.93x = 97,855.44 × 15,988.93
  4. Step 4: Simplify right side
    65,236.93x = 1,564,603,780.28
  5. Step 5: Solve for x
    x = 1,564,603,780.28/65,236.93
  6. Step 6: Final answer
    x = 23,983.41

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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.