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Finding the Fourth Proportional to 9,042.03, 13,551.71 and 4,881.87

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Solution

The fourth proportional to 9,042.03, 13,551.71 and 4,881.87 is: 7,316.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042.03 : 13,551.71 = 4,881.87 : x
  2. Step 2: Convert to fraction form
    9,042.03/13,551.71 = 4,881.87/x
  3. Step 3: Cross multiply
    9,042.03x = 13,551.71 × 4,881.87
  4. Step 4: Simplify right side
    9,042.03x = 66,157,662.09
  5. Step 5: Solve for x
    x = 66,157,662.09/9,042.03
  6. Step 6: Final answer
    x = 7,316.68

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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.