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Finding the Fourth Proportional to 7,953.42, 11,940.93 and 5,482.11

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Solution

The fourth proportional to 7,953.42, 11,940.93 and 5,482.11 is: 8,230.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.42 : 11,940.93 = 5,482.11 : x
  2. Step 2: Convert to fraction form
    7,953.42/11,940.93 = 5,482.11/x
  3. Step 3: Cross multiply
    7,953.42x = 11,940.93 × 5,482.11
  4. Step 4: Simplify right side
    7,953.42x = 65,461,491.76
  5. Step 5: Solve for x
    x = 65,461,491.76/7,953.42
  6. Step 6: Final answer
    x = 8,230.61

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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.