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Finding the Fourth Proportional to 44,356.72, 66,538.68 and 13,192

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Solution

The fourth proportional to 44,356.72, 66,538.68 and 13,192 is: 19,789.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,356.72 : 66,538.68 = 13,192 : x
  2. Step 2: Convert to fraction form
    44,356.72/66,538.68 = 13,192/x
  3. Step 3: Cross multiply
    44,356.72x = 66,538.68 × 13,192
  4. Step 4: Simplify right side
    44,356.72x = 877,778,266.56
  5. Step 5: Solve for x
    x = 877,778,266.56/44,356.72
  6. Step 6: Final answer
    x = 19,789.07

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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.