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Finding the Fourth Proportional to 7,174.84, 10,688.28 and 6,957.22

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Solution

The fourth proportional to 7,174.84, 10,688.28 and 6,957.22 is: 10,364.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,174.84 : 10,688.28 = 6,957.22 : x
  2. Step 2: Convert to fraction form
    7,174.84/10,688.28 = 6,957.22/x
  3. Step 3: Cross multiply
    7,174.84x = 10,688.28 × 6,957.22
  4. Step 4: Simplify right side
    7,174.84x = 74,360,715.38
  5. Step 5: Solve for x
    x = 74,360,715.38/7,174.84
  6. Step 6: Final answer
    x = 10,364.09

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.