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Finding the Fourth Proportional to 5,672.62, 8,502.63 and 4,281.45

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Solution

The fourth proportional to 5,672.62, 8,502.63 and 4,281.45 is: 6,417.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.62 : 8,502.63 = 4,281.45 : x
  2. Step 2: Convert to fraction form
    5,672.62/8,502.63 = 4,281.45/x
  3. Step 3: Cross multiply
    5,672.62x = 8,502.63 × 4,281.45
  4. Step 4: Simplify right side
    5,672.62x = 36,403,537.27
  5. Step 5: Solve for x
    x = 36,403,537.27/5,672.62
  6. Step 6: Final answer
    x = 6,417.41

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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.