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Finding the Fourth Proportional to 7,292.88, 10,941.24 and 2,910.48

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Solution

The fourth proportional to 7,292.88, 10,941.24 and 2,910.48 is: 4,366.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,292.88 : 10,941.24 = 2,910.48 : x
  2. Step 2: Convert to fraction form
    7,292.88/10,941.24 = 2,910.48/x
  3. Step 3: Cross multiply
    7,292.88x = 10,941.24 × 2,910.48
  4. Step 4: Simplify right side
    7,292.88x = 31,844,260.20
  5. Step 5: Solve for x
    x = 31,844,260.20/7,292.88
  6. Step 6: Final answer
    x = 4,366.49

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1.5x scale

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.