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Finding the Fourth Proportional to 74,010.47, 110,932.47 and 36,491.13

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Solution

The fourth proportional to 74,010.47, 110,932.47 and 36,491.13 is: 54,695.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,010.47 : 110,932.47 = 36,491.13 : x
  2. Step 2: Convert to fraction form
    74,010.47/110,932.47 = 36,491.13/x
  3. Step 3: Cross multiply
    74,010.47x = 110,932.47 × 36,491.13
  4. Step 4: Simplify right side
    74,010.47x = 4,048,051,183.99
  5. Step 5: Solve for x
    x = 4,048,051,183.99/74,010.47
  6. Step 6: Final answer
    x = 54,695.66

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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.