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Finding the Fourth Proportional to 4,438.74, 6,653.90 and 1,973.90

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Solution

The fourth proportional to 4,438.74, 6,653.90 and 1,973.90 is: 2,958.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438.74 : 6,653.90 = 1,973.90 : x
  2. Step 2: Convert to fraction form
    4,438.74/6,653.90 = 1,973.90/x
  3. Step 3: Cross multiply
    4,438.74x = 6,653.90 × 1,973.90
  4. Step 4: Simplify right side
    4,438.74x = 13,134,133.21
  5. Step 5: Solve for x
    x = 13,134,133.21/4,438.74
  6. Step 6: Final answer
    x = 2,958.98

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Why These Related Problems?

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