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Finding the Fourth Proportional to 7,473.90, 10,313.08 and 4,287.03

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Solution

The fourth proportional to 7,473.90, 10,313.08 and 4,287.03 is: 5,915.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.90 : 10,313.08 = 4,287.03 : x
  2. Step 2: Convert to fraction form
    7,473.90/10,313.08 = 4,287.03/x
  3. Step 3: Cross multiply
    7,473.90x = 10,313.08 × 4,287.03
  4. Step 4: Simplify right side
    7,473.90x = 44,212,410.35
  5. Step 5: Solve for x
    x = 44,212,410.35/7,473.90
  6. Step 6: Final answer
    x = 5,915.57

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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.