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Finding the Fourth Proportional to 61,888.56, 92,817.96 and 28,576.62

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Solution

The fourth proportional to 61,888.56, 92,817.96 and 28,576.62 is: 42,858.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,888.56 : 92,817.96 = 28,576.62 : x
  2. Step 2: Convert to fraction form
    61,888.56/92,817.96 = 28,576.62/x
  3. Step 3: Cross multiply
    61,888.56x = 92,817.96 × 28,576.62
  4. Step 4: Simplify right side
    61,888.56x = 2,652,423,572.10
  5. Step 5: Solve for x
    x = 2,652,423,572.10/61,888.56
  6. Step 6: Final answer
    x = 42,858.06

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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.