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Finding the Fourth Proportional to 9,055.92, 12,518.08 and 7,555.09

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Solution

The fourth proportional to 9,055.92, 12,518.08 and 7,555.09 is: 10,443.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.92 : 12,518.08 = 7,555.09 : x
  2. Step 2: Convert to fraction form
    9,055.92/12,518.08 = 7,555.09/x
  3. Step 3: Cross multiply
    9,055.92x = 12,518.08 × 7,555.09
  4. Step 4: Simplify right side
    9,055.92x = 94,575,151.96
  5. Step 5: Solve for x
    x = 94,575,151.96/9,055.92
  6. Step 6: Final answer
    x = 10,443.47

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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.