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Finding the Fourth Proportional to 2,700.23, 3,726.41 and 1,488.86

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Solution

The fourth proportional to 2,700.23, 3,726.41 and 1,488.86 is: 2,054.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.23 : 3,726.41 = 1,488.86 : x
  2. Step 2: Convert to fraction form
    2,700.23/3,726.41 = 1,488.86/x
  3. Step 3: Cross multiply
    2,700.23x = 3,726.41 × 1,488.86
  4. Step 4: Simplify right side
    2,700.23x = 5,548,076.72
  5. Step 5: Solve for x
    x = 5,548,076.72/2,700.23
  6. Step 6: Final answer
    x = 2,054.67

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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.