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Finding the Fourth Proportional to 41,269.76, 61,894.72 and 28,900.48

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Solution

The fourth proportional to 41,269.76, 61,894.72 and 28,900.48 is: 43,343.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,269.76 : 61,894.72 = 28,900.48 : x
  2. Step 2: Convert to fraction form
    41,269.76/61,894.72 = 28,900.48/x
  3. Step 3: Cross multiply
    41,269.76x = 61,894.72 × 28,900.48
  4. Step 4: Simplify right side
    41,269.76x = 1,788,787,117.47
  5. Step 5: Solve for x
    x = 1,788,787,117.47/41,269.76
  6. Step 6: Final answer
    x = 43,343.77

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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.