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Finding the Fourth Proportional to 7,292.72, 10,935.04 and 2,293.68

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Solution

The fourth proportional to 7,292.72, 10,935.04 and 2,293.68 is: 3,439.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,292.72 : 10,935.04 = 2,293.68 : x
  2. Step 2: Convert to fraction form
    7,292.72/10,935.04 = 2,293.68/x
  3. Step 3: Cross multiply
    7,292.72x = 10,935.04 × 2,293.68
  4. Step 4: Simplify right side
    7,292.72x = 25,081,482.55
  5. Step 5: Solve for x
    x = 25,081,482.55/7,292.72
  6. Step 6: Final answer
    x = 3,439.25

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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.