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Finding the Fourth Proportional to 4,327.32, 6,489.48 and 1,404.92

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Solution

The fourth proportional to 4,327.32, 6,489.48 and 1,404.92 is: 2,106.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,327.32 : 6,489.48 = 1,404.92 : x
  2. Step 2: Convert to fraction form
    4,327.32/6,489.48 = 1,404.92/x
  3. Step 3: Cross multiply
    4,327.32x = 6,489.48 × 1,404.92
  4. Step 4: Simplify right side
    4,327.32x = 9,117,200.24
  5. Step 5: Solve for x
    x = 9,117,200.24/4,327.32
  6. Step 6: Final answer
    x = 2,106.89

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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.