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Finding the Fourth Proportional to 7,736.04, 10,680.39 and 7,293.24

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Solution

The fourth proportional to 7,736.04, 10,680.39 and 7,293.24 is: 10,069.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,736.04 : 10,680.39 = 7,293.24 : x
  2. Step 2: Convert to fraction form
    7,736.04/10,680.39 = 7,293.24/x
  3. Step 3: Cross multiply
    7,736.04x = 10,680.39 × 7,293.24
  4. Step 4: Simplify right side
    7,736.04x = 77,894,647.56
  5. Step 5: Solve for x
    x = 77,894,647.56/7,736.04
  6. Step 6: Final answer
    x = 10,069.06

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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.