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Finding the Fourth Proportional to 4,411.98, 6,617.88 and 1,125

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Solution

The fourth proportional to 4,411.98, 6,617.88 and 1,125 is: 1,687.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,411.98 : 6,617.88 = 1,125 : x
  2. Step 2: Convert to fraction form
    4,411.98/6,617.88 = 1,125/x
  3. Step 3: Cross multiply
    4,411.98x = 6,617.88 × 1,125
  4. Step 4: Simplify right side
    4,411.98x = 7,445,115
  5. Step 5: Solve for x
    x = 7,445,115/4,411.98
  6. Step 6: Final answer
    x = 1,687.48

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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.