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Finding the Fourth Proportional to 37,489.20, 51,733.52 and 21,574.20

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Solution

The fourth proportional to 37,489.20, 51,733.52 and 21,574.20 is: 29,771.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,489.20 : 51,733.52 = 21,574.20 : x
  2. Step 2: Convert to fraction form
    37,489.20/51,733.52 = 21,574.20/x
  3. Step 3: Cross multiply
    37,489.20x = 51,733.52 × 21,574.20
  4. Step 4: Simplify right side
    37,489.20x = 1,116,109,307.18
  5. Step 5: Solve for x
    x = 1,116,109,307.18/37,489.20
  6. Step 6: Final answer
    x = 29,771.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.