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Finding the Fourth Proportional to 7,937.56, 10,955.22 and 4,579.80

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Solution

The fourth proportional to 7,937.56, 10,955.22 and 4,579.80 is: 6,320.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.56 : 10,955.22 = 4,579.80 : x
  2. Step 2: Convert to fraction form
    7,937.56/10,955.22 = 4,579.80/x
  3. Step 3: Cross multiply
    7,937.56x = 10,955.22 × 4,579.80
  4. Step 4: Simplify right side
    7,937.56x = 50,172,716.56
  5. Step 5: Solve for x
    x = 50,172,716.56/7,937.56
  6. Step 6: Final answer
    x = 6,320.92

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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.