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Finding the Fourth Proportional to 7,313.04, 10,963.08 and 2,929.68

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Solution

The fourth proportional to 7,313.04, 10,963.08 and 2,929.68 is: 4,391.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,313.04 : 10,963.08 = 2,929.68 : x
  2. Step 2: Convert to fraction form
    7,313.04/10,963.08 = 2,929.68/x
  3. Step 3: Cross multiply
    7,313.04x = 10,963.08 × 2,929.68
  4. Step 4: Simplify right side
    7,313.04x = 32,118,316.21
  5. Step 5: Solve for x
    x = 32,118,316.21/7,313.04
  6. Step 6: Final answer
    x = 4,391.92

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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.