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Finding the Fourth Proportional to 7,517.76, 10,373.56 and 4,160.16

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Solution

The fourth proportional to 7,517.76, 10,373.56 and 4,160.16 is: 5,740.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.76 : 10,373.56 = 4,160.16 : x
  2. Step 2: Convert to fraction form
    7,517.76/10,373.56 = 4,160.16/x
  3. Step 3: Cross multiply
    7,517.76x = 10,373.56 × 4,160.16
  4. Step 4: Simplify right side
    7,517.76x = 43,155,669.37
  5. Step 5: Solve for x
    x = 43,155,669.37/7,517.76
  6. Step 6: Final answer
    x = 5,740.50

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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.