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Finding the Fourth Proportional to 7,280.58, 10,921.08 and 2,350.24

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Solution

The fourth proportional to 7,280.58, 10,921.08 and 2,350.24 is: 3,525.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.58 : 10,921.08 = 2,350.24 : x
  2. Step 2: Convert to fraction form
    7,280.58/10,921.08 = 2,350.24/x
  3. Step 3: Cross multiply
    7,280.58x = 10,921.08 × 2,350.24
  4. Step 4: Simplify right side
    7,280.58x = 25,667,159.06
  5. Step 5: Solve for x
    x = 25,667,159.06/7,280.58
  6. Step 6: Final answer
    x = 3,525.43

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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.