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Finding the Fourth Proportional to 7,544.52, 10,411.56 and 4,187.88

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Solution

The fourth proportional to 7,544.52, 10,411.56 and 4,187.88 is: 5,779.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,544.52 : 10,411.56 = 4,187.88 : x
  2. Step 2: Convert to fraction form
    7,544.52/10,411.56 = 4,187.88/x
  3. Step 3: Cross multiply
    7,544.52x = 10,411.56 × 4,187.88
  4. Step 4: Simplify right side
    7,544.52x = 43,602,363.89
  5. Step 5: Solve for x
    x = 43,602,363.89/7,544.52
  6. Step 6: Final answer
    x = 5,779.34

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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.