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Finding the Fourth Proportional to 48,620.86, 72,929.90 and 26,573.87

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Solution

The fourth proportional to 48,620.86, 72,929.90 and 26,573.87 is: 39,860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,620.86 : 72,929.90 = 26,573.87 : x
  2. Step 2: Convert to fraction form
    48,620.86/72,929.90 = 26,573.87/x
  3. Step 3: Cross multiply
    48,620.86x = 72,929.90 × 26,573.87
  4. Step 4: Simplify right side
    48,620.86x = 1,938,029,930.47
  5. Step 5: Solve for x
    x = 1,938,029,930.47/48,620.86
  6. Step 6: Final answer
    x = 39,860.05

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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.