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Finding the Fourth Proportional to 7,098.68, 10,689.35 and 5,262.84

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Solution

The fourth proportional to 7,098.68, 10,689.35 and 5,262.84 is: 7,924.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098.68 : 10,689.35 = 5,262.84 : x
  2. Step 2: Convert to fraction form
    7,098.68/10,689.35 = 5,262.84/x
  3. Step 3: Cross multiply
    7,098.68x = 10,689.35 × 5,262.84
  4. Step 4: Simplify right side
    7,098.68x = 56,256,338.75
  5. Step 5: Solve for x
    x = 56,256,338.75/7,098.68
  6. Step 6: Final answer
    x = 7,924.90

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.