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Finding the Fourth Proportional to 61,930.95, 92,857.53 and 28,207.41

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Solution

The fourth proportional to 61,930.95, 92,857.53 and 28,207.41 is: 42,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,930.95 : 92,857.53 = 28,207.41 : x
  2. Step 2: Convert to fraction form
    61,930.95/92,857.53 = 28,207.41/x
  3. Step 3: Cross multiply
    61,930.95x = 92,857.53 × 28,207.41
  4. Step 4: Simplify right side
    61,930.95x = 2,619,270,420.30
  5. Step 5: Solve for x
    x = 2,619,270,420.30/61,930.95
  6. Step 6: Final answer
    x = 42,293.40

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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.