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Finding the Fourth Proportional to 37,410.59, 51,619.74 and 21,495.71

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Solution

The fourth proportional to 37,410.59, 51,619.74 and 21,495.71 is: 29,660.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,410.59 : 51,619.74 = 21,495.71 : x
  2. Step 2: Convert to fraction form
    37,410.59/51,619.74 = 21,495.71/x
  3. Step 3: Cross multiply
    37,410.59x = 51,619.74 × 21,495.71
  4. Step 4: Simplify right side
    37,410.59x = 1,109,602,961.32
  5. Step 5: Solve for x
    x = 1,109,602,961.32/37,410.59
  6. Step 6: Final answer
    x = 29,660.13

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Why These Related Problems?

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