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Finding the Fourth Proportional to 61,897.14, 92,846.91 and 20,344.14

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Solution

The fourth proportional to 61,897.14, 92,846.91 and 20,344.14 is: 30,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,897.14 : 92,846.91 = 20,344.14 : x
  2. Step 2: Convert to fraction form
    61,897.14/92,846.91 = 20,344.14/x
  3. Step 3: Cross multiply
    61,897.14x = 92,846.91 × 20,344.14
  4. Step 4: Simplify right side
    61,897.14x = 1,888,890,535.61
  5. Step 5: Solve for x
    x = 1,888,890,535.61/61,897.14
  6. Step 6: Final answer
    x = 30,516.60

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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.