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Finding the Fourth Proportional to 8,038.17, 12,048.89 and 4,909.82

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Solution

The fourth proportional to 8,038.17, 12,048.89 and 4,909.82 is: 7,359.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,038.17 : 12,048.89 = 4,909.82 : x
  2. Step 2: Convert to fraction form
    8,038.17/12,048.89 = 4,909.82/x
  3. Step 3: Cross multiply
    8,038.17x = 12,048.89 × 4,909.82
  4. Step 4: Simplify right side
    8,038.17x = 59,157,796.31
  5. Step 5: Solve for x
    x = 59,157,796.31/8,038.17
  6. Step 6: Final answer
    x = 7,359.61

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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.