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Finding the Fourth Proportional to 37,017.51, 55,437.30 and 21,174.51

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Solution

The fourth proportional to 37,017.51, 55,437.30 and 21,174.51 is: 31,710.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,017.51 : 55,437.30 = 21,174.51 : x
  2. Step 2: Convert to fraction form
    37,017.51/55,437.30 = 21,174.51/x
  3. Step 3: Cross multiply
    37,017.51x = 55,437.30 × 21,174.51
  4. Step 4: Simplify right side
    37,017.51x = 1,173,857,663.22
  5. Step 5: Solve for x
    x = 1,173,857,663.22/37,017.51
  6. Step 6: Final answer
    x = 31,710.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.