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Finding the Fourth Proportional to 6,281.88, 8,667.20 and 4,045.04

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Solution

The fourth proportional to 6,281.88, 8,667.20 and 4,045.04 is: 5,581.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.88 : 8,667.20 = 4,045.04 : x
  2. Step 2: Convert to fraction form
    6,281.88/8,667.20 = 4,045.04/x
  3. Step 3: Cross multiply
    6,281.88x = 8,667.20 × 4,045.04
  4. Step 4: Simplify right side
    6,281.88x = 35,059,170.69
  5. Step 5: Solve for x
    x = 35,059,170.69/6,281.88
  6. Step 6: Final answer
    x = 5,581.00

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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.