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Finding the Fourth Proportional to 7,360.87, 10,157.86 and 4,003.63

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Solution

The fourth proportional to 7,360.87, 10,157.86 and 4,003.63 is: 5,524.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360.87 : 10,157.86 = 4,003.63 : x
  2. Step 2: Convert to fraction form
    7,360.87/10,157.86 = 4,003.63/x
  3. Step 3: Cross multiply
    7,360.87x = 10,157.86 × 4,003.63
  4. Step 4: Simplify right side
    7,360.87x = 40,668,313.03
  5. Step 5: Solve for x
    x = 40,668,313.03/7,360.87
  6. Step 6: Final answer
    x = 5,524.93

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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.