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Finding the Fourth Proportional to 7,266.96, 10,892.88 and 3,368.16

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Solution

The fourth proportional to 7,266.96, 10,892.88 and 3,368.16 is: 5,048.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,266.96 : 10,892.88 = 3,368.16 : x
  2. Step 2: Convert to fraction form
    7,266.96/10,892.88 = 3,368.16/x
  3. Step 3: Cross multiply
    7,266.96x = 10,892.88 × 3,368.16
  4. Step 4: Simplify right side
    7,266.96x = 36,688,962.70
  5. Step 5: Solve for x
    x = 36,688,962.70/7,266.96
  6. Step 6: Final answer
    x = 5,048.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.