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Finding the Fourth Proportional to 7,929.04, 10,940.76 and 5,097.04

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Solution

The fourth proportional to 7,929.04, 10,940.76 and 5,097.04 is: 7,033.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.04 : 10,940.76 = 5,097.04 : x
  2. Step 2: Convert to fraction form
    7,929.04/10,940.76 = 5,097.04/x
  3. Step 3: Cross multiply
    7,929.04x = 10,940.76 × 5,097.04
  4. Step 4: Simplify right side
    7,929.04x = 55,765,491.35
  5. Step 5: Solve for x
    x = 55,765,491.35/7,929.04
  6. Step 6: Final answer
    x = 7,033.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.