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Finding the Fourth Proportional to 27,145.63, 37,459.93 and 15,208.37

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Solution

The fourth proportional to 27,145.63, 37,459.93 and 15,208.37 is: 20,986.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,145.63 : 37,459.93 = 15,208.37 : x
  2. Step 2: Convert to fraction form
    27,145.63/37,459.93 = 15,208.37/x
  3. Step 3: Cross multiply
    27,145.63x = 37,459.93 × 15,208.37
  4. Step 4: Simplify right side
    27,145.63x = 569,704,475.61
  5. Step 5: Solve for x
    x = 569,704,475.61/27,145.63
  6. Step 6: Final answer
    x = 20,986.97

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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.