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Finding the Fourth Proportional to 7,953.48, 11,941.08 and 5,482.20

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Solution

The fourth proportional to 7,953.48, 11,941.08 and 5,482.20 is: 8,230.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.48 : 11,941.08 = 5,482.20 : x
  2. Step 2: Convert to fraction form
    7,953.48/11,941.08 = 5,482.20/x
  3. Step 3: Cross multiply
    7,953.48x = 11,941.08 × 5,482.20
  4. Step 4: Simplify right side
    7,953.48x = 65,463,388.78
  5. Step 5: Solve for x
    x = 65,463,388.78/7,953.48
  6. Step 6: Final answer
    x = 8,230.79

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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.