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Finding the Fourth Proportional to 7,456.61, 11,187.36 and 3,560.51

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Solution

The fourth proportional to 7,456.61, 11,187.36 and 3,560.51 is: 5,341.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.61 : 11,187.36 = 3,560.51 : x
  2. Step 2: Convert to fraction form
    7,456.61/11,187.36 = 3,560.51/x
  3. Step 3: Cross multiply
    7,456.61x = 11,187.36 × 3,560.51
  4. Step 4: Simplify right side
    7,456.61x = 39,832,707.15
  5. Step 5: Solve for x
    x = 39,832,707.15/7,456.61
  6. Step 6: Final answer
    x = 5,341.93

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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.