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Finding the Fourth Proportional to 37,291.56, 51,463.56 and 21,379.02

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Solution

The fourth proportional to 37,291.56, 51,463.56 and 21,379.02 is: 29,503.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,291.56 : 51,463.56 = 21,379.02 : x
  2. Step 2: Convert to fraction form
    37,291.56/51,463.56 = 21,379.02/x
  3. Step 3: Cross multiply
    37,291.56x = 51,463.56 × 21,379.02
  4. Step 4: Simplify right side
    37,291.56x = 1,100,240,478.51
  5. Step 5: Solve for x
    x = 1,100,240,478.51/37,291.56
  6. Step 6: Final answer
    x = 29,503.74

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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.