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Finding the Fourth Proportional to 7,184.92, 9,903.18 and 5,685.88

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Solution

The fourth proportional to 7,184.92, 9,903.18 and 5,685.88 is: 7,837.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,184.92 : 9,903.18 = 5,685.88 : x
  2. Step 2: Convert to fraction form
    7,184.92/9,903.18 = 5,685.88/x
  3. Step 3: Cross multiply
    7,184.92x = 9,903.18 × 5,685.88
  4. Step 4: Simplify right side
    7,184.92x = 56,308,293.10
  5. Step 5: Solve for x
    x = 56,308,293.10/7,184.92
  6. Step 6: Final answer
    x = 7,837.01

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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.