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Finding the Fourth Proportional to 37,804.65, 52,167.96 and 21,671.77

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Solution

The fourth proportional to 37,804.65, 52,167.96 and 21,671.77 is: 29,905.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,804.65 : 52,167.96 = 21,671.77 : x
  2. Step 2: Convert to fraction form
    37,804.65/52,167.96 = 21,671.77/x
  3. Step 3: Cross multiply
    37,804.65x = 52,167.96 × 21,671.77
  4. Step 4: Simplify right side
    37,804.65x = 1,130,571,808.28
  5. Step 5: Solve for x
    x = 1,130,571,808.28/37,804.65
  6. Step 6: Final answer
    x = 29,905.63

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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.