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Finding the Fourth Proportional to 40,590.96, 60,892.50 and 12,508.68

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Solution

The fourth proportional to 40,590.96, 60,892.50 and 12,508.68 is: 18,764.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,590.96 : 60,892.50 = 12,508.68 : x
  2. Step 2: Convert to fraction form
    40,590.96/60,892.50 = 12,508.68/x
  3. Step 3: Cross multiply
    40,590.96x = 60,892.50 × 12,508.68
  4. Step 4: Simplify right side
    40,590.96x = 761,684,796.90
  5. Step 5: Solve for x
    x = 761,684,796.90/40,590.96
  6. Step 6: Final answer
    x = 18,764.89

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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.