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Finding the Fourth Proportional to 41,756.72, 62,602.88 and 28,394.96

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Solution

The fourth proportional to 41,756.72, 62,602.88 and 28,394.96 is: 42,570.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,756.72 : 62,602.88 = 28,394.96 : x
  2. Step 2: Convert to fraction form
    41,756.72/62,602.88 = 28,394.96/x
  3. Step 3: Cross multiply
    41,756.72x = 62,602.88 × 28,394.96
  4. Step 4: Simplify right side
    41,756.72x = 1,777,605,818.50
  5. Step 5: Solve for x
    x = 1,777,605,818.50/41,756.72
  6. Step 6: Final answer
    x = 42,570.54

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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.